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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 9751. |
A quadratic polynomial, whose zeros are -3and 4, |
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Answer» X2 -x-12 x²-x-12 Wrong hai X² + 1x -12 |
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| 9752. |
40. Prove that (√3+ 1) (3-cot 30°) = tan³60° - 2 sin 60°. |
| Answer» From LHS. From RHS =(3+1) (3-√3). =3√3-2√3/2= 3√3+3-3-√3. =6√3-2√3/2=2√3. =4√3/2 =2√3 LHS. = RHS. | |
| 9753. |
In what ratio is the line segment joining the points (-2,3) and (3,7) divided by y axis |
| Answer» the y axis divides the line joining the points (-2, -3) and (3, 7) be k : 1. point of intersection line to y axis to be (0, y). Apply section formula and answer 2:3 | |
| 9754. |
1) If sin A = x , sec(A) = y , then tanA is |
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Answer» Learn more:[tex]\\sf \\color{aqua}{Trigonometry\\: Table}\\\\ \\blue{\\boxed{\\boxed{\\begin{array}{ |c |c|c|c|c|c|} \\sf \\red{\\angle A} & \\red{\\sf{0}^{ \\circ} }&\\red{ \\sf{30}^{ \\circ} }& \\red{\\sf{45}^{ \\circ} }& \\red{\\sf{60}^{ \\circ}} &\\red{ \\sf{90}^{ \\circ}} \\\\ \\hline \\\\ \\rm \\red{sin A} & \\green{0} & \\green{\\dfrac{1}{2}}& \\green{\\dfrac{1}{ \\sqrt{2} }} &\\green{ \\dfrac{ \\sqrt{3}}{2} }&\\green{1} \\\\ \\hline \\\\ \\rm \\red{cos \\: A} & \\green{1} &\\green{ \\dfrac{ \\sqrt{3} }{2}}&\\green{ \\dfrac{1}{ \\sqrt{2} }} & \\green{\\dfrac{1}{2}} &\\green{0} \\\\ \\hline \\\\\\rm \\red{tan A}& \\green{0} &\\green{ \\dfrac{1}{ \\sqrt{3} }}&\\green{1} & \\green{\\sqrt{3}} & \\rm \\green{\\infty} \\\\ \\hline \\\\ \\rm \\red{cosec A }& \\rm \\green{\\infty} & \\green{2}& \\green{\\sqrt{2} }&\\green{ \\dfrac{2}{ \\sqrt{3} }}&\\green{1} \\\\ \\hline\\\\ \\rm \\red{sec A} & \\green{1 }&\\green{ \\dfrac{2}{ \\sqrt{3} }}& \\green{\\sqrt{2}} & \\green{2} & \\rm \\green{\\infty} \\\\ \\hline \\\\ \\rm \\red{cot A }& \\rm \\green{\\infty} & \\green{\\sqrt{3}}& \\green{1} & \\green{\\dfrac{1}{ \\sqrt{3} }} & \\green{0}\\end{array}}}}[/tex] $$sinA = x$$$$secA=y$$$$\\sf \\bf :\\longmapsto \\dfrac{1}{cosA} = y$$$$\\sf \\bf :\\longmapsto \\dfrac{sinA}{cosA} = xy$$$$\\sf \\bf :\\longmapsto tanA =xy$$Learn more:$$\\sf \\color{aqua}{Trigonometry\\: Table}\\\\ \\blue{\\boxed{\\boxed{\\begin{array}{ |c |c|c|c|c|c|} \\sf {\\angle A} & \\{\\sf{0}^{ \\circ} }&\\red{ \\sf{30}^{ \\circ} }& \\{\\sf{45}^{ \\circ} }& \\red{\\sf{60}^{ \\circ}} &{ \\sf{90}^{ \\circ}} \\\\ \\hline \\\\ \\rm {sin A} & \\green{0} & {\\dfrac{1}{2}}& {\\dfrac{1}{ \\sqrt{2} }} &{ \\dfrac{ \\sqrt{3}}{2} }&{1} \\\\ \\hline \\\\ \\rm {cos \\: A} & {1} &{ \\dfrac{ \\sqrt{3} }{2}}&{ \\dfrac{1}{ \\sqrt{2} }} & {\\dfrac{1}{2}} &{0} \\\\ \\hline \\\\\\rm {tan A}& {0} &{ \\dfrac{1}{ \\sqrt{3} }}&{1} & {\\sqrt{3}} & \\rm {\\infty} \\\\ \\hline \\\\ \\rm {cosec A }& \\rm {\\infty} & {2}& {\\sqrt{2} }&{ \\dfrac{2}{ \\sqrt{3} }}&{1} \\\\ \\hline\\\\ \\rm {sec A} & {1 }&{ \\dfrac{2}{ \\sqrt{3} }}& {\\sqrt{2}} & {2} & \\rm {\\infty} \\\\ \\hline \\\\ \\rm {cot A }& \\rm {\\infty} & {\\sqrt{3}}& {1} & {\\dfrac{1}{ \\sqrt{3} }} &{0}\\end{array}}}}$$ Tan A = SinA/Cos ASec A = 1/Cos ASo TanA = SinA * Sec A = x*y = xy |
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| 9755. |
Find the value of :$$\\dfrac{1}{x + \\cfrac{1}{x+\\cfrac{1}{x + \\cfrac{1}{x + .... \\infty}}}}$$ |
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| 9756. |
Which buffalo is grazing nearest to the spaceship. |
| Answer» Hi | |
| 9757. |
If 4tan theta =3 then (cos²-sin² theta). =? |
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Answer» Tan theta = 3/4 thenP=3kB=4kH=5k ( Pythagoras)Cos² - sin²= (4/5)² - (3/5)²= 16/25 - 9/25= 7/25 Therefore we can say that when tan theta =34,cos 2 theta -sin 2 theta =725 |
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| 9758. |
Ex 3 |
| Answer» Experience 7.1 | |
| 9759. |
Just before the morning |
| Answer» | |
| 9760. |
A quadratic polynomial, whose zeroes are -3 and 4, is |
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Answer» x^2-x-12 You can make any polynomial using these terms only by substituting values |
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| 9761. |
What are the zeros of polynomial? |
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Answer» The zeroes of the polynomial are the values of X which satisfy the equation Y= F(X) Zeroes of the polynomial are to be determined by how many times the line touches the x-axes . The zeros of polynomial are the values of x which satisfy the equation y = f(x) Zeroes of the polynomial are those who can make a polynomial value zero |
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| 9762. |
If cosA = 4/5 then value of tanA is..... |
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Answer» Hlo 3/4 Cos theta = 4/5 = B/HTherefore, Tan theta = P/B= 3/4 . |
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| 9763. |
The value of sin^2 41° +sin^2 49° will be |
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Answer» 1 These values are deleted ☺️☺️☺️ |
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| 9764. |
the area of sector of a circle of radius r and central angle of theta is |
| Answer» Theta / 360⁰ × pi × r^2 | |
| 9765. |
X+6=2 and 6-9=y?then what is the answer |
| Answer» x = -4 and y = -3 | |
| 9766. |
Ch 5 ex 5.2 question 12 |
| Answer» | |
| 9767. |
Chepter 1 |
| Answer» Real numbers | |
| 9768. |
The decimal expansion of 46/2^*5*3 |
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Answer» 0.76666666 0.666666666666 0.76666666 0.766666666 0.766666666 |
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| 9769. |
5-5 examples of unique solution, no solution, many solution |
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Answer» Unique What is the refraction Okkkk |
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| 9770. |
To verify the formula for the area of A triangle by graphic mathod |
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| 9771. |
Square root of 12 |
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Answer» √12 √ 2*2*3 (write the factors of 12) 2√3(Because their are two times 2 so we can take it out as a single 2. Their is no pair of 3 so it will be kept inside the root only) Answer = 2√3 3.46410 √12 √ 2*2*3 (write the factors of 12) 2√3(Because their are two times 2 so we can take it out as a single 2. Their is no pair of 3 so it will be kept inside the root only)Answer = 2√3 |
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| 9772. |
If 3x+4y:x+2y=9:4, then 3x+5y:3x-y is |
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| 9773. |
πr2 |
| Answer» πr2 is the area of circle | |
| 9774. |
If a diagonal of a rhoembas is equal to its side,then its all angles |
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Answer» Sorry this is a wrong answer please avoid. Ans - 90 degree And it is a square,Because square is also a rhombus , because square fulfill all the properties of rhombus. |
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| 9775. |
Find the value of y for which the distance between the point P(2,-3),and Q(10,y) is 10 units |
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Answer» The answer is 10^2=8^2+(3+y)^2100=64+(9+y^2+6y)36=9+y^2+6y27=y^2+6y27/6=y^2+yAnswer 2.25I think Answer |
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| 9776. |
Area of 9 quadrateral |
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Answer» 40 40 |
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| 9777. |
Sum of 1 to 100 numbers |
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Answer» 5050 is Sum of 1 to 100 numbers sum of 1 to 100 numbers = 5050 |
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| 9778. |
A(2,-3)and B(10,y) is 5units |
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Answer» is it 5 units or 10 units for 5 units annswer cannot be determined once check question A(2,-3) B(10,y)d=55= root (10-2)square + (y+3)square5= root 8square + (y+3)square squaring on both sides25= 64 + ysquare +6y + 925-64-9 = ysquare + 6y-48 = ysquare + 6yysquare + 6y + 48 = 0factorise thisu will get answer |
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| 9779. |
Is aap pr mental maths question nahi aate hai kya |
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Answer» Noo Hii sister |
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| 9780. |
The lcm of 24 ,60&150 is |
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Answer» 600 600 600 600 600 |
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| 9781. |
Find the coordinates of the point which divides the join of (-1,7) and (4,-3) in the ratio 2:3. |
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| 9782. |
Y is grater then |
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Answer» X Z |
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| 9783. |
3+762+29 |
| Answer» What a silly question 794 answer.. | |
| 9784. |
How to remember all Trigonometric identities???? |
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Answer» You can recommend shobhit nirwan\'s video on YouTube CosASinATanACosecASecACotA |
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| 9785. |
Which one of the following is not a rational number A-√2B-0C-√4D-√-16 |
| Answer» √2 | |
| 9786. |
(3-x)² |
| Answer» X^2+9-6x | |
| 9787. |
Area of a circle inscribed in an equilateral triangle is 154cm2 find perimeter of the triangle |
| Answer» Hi | |
| 9788. |
Sin^4 theta - cos^4 theta= 1-2cos^2 theta |
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| 9789. |
Prove that 2root3-4 |
| Answer» | |
| 9790. |
Sin 30°+ tan 45° |
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Answer» 4/2 1/2+1=3/2 or 1.5 sin30=1\\2Tan45=1Sin30+tan45=1\\2+1=1+2\\2=3/2 or 1.5 Sin 30⁰= 1/2Tan 45⁰= 1Sin 30° + tan 45°1\\2+1 =3\\2 |
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| 9791. |
2.2 paeshnavli |
| Answer» | |
| 9792. |
How can we identify the alternate segment of a circle? |
| Answer» Thita/360πr²×½ r² sin thita | |
| 9793. |
is there any free tests for all chapter |
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Answer» Pai is rational or irrational? 2520 What is the LCM of 18,56 and 120 |
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| 9794. |
sin (90° – A) and cos A are: *(a) Different(b) Same(c) Not related(d) None of the above |
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Answer» same Same Hello helping |
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| 9795. |
The pairs of equations 9x + 3y + 12 = 0 and 18x + 6y + 26 = 0 have |
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Answer» Parallel lines or graph is formed Here:-- a1/a2 = b1/b2 not= c1/c2.. Thus..Answer.1) No solution 2) parallel line on graph |
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| 9796. |
The midpoints of a line segment joining two points A(2, 4) and B(-2, -4) * |
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Answer» 00 Answer is (0,0) The formula of midpoint is X1 + X2 /2 AND Y1 + Y2/2.....So put the value you wlii get the answer.? The answer is 0,0 |
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| 9797. |
Find a point on the y-axis which is equidistance from the points A(6,5) and B(-4,3). |
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Answer» (0,9) Fcvgfg |
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| 9798. |
Every odd integer in the dorm of____a)K+1b)3Kc)3K+1d)4K |
| Answer» | |
| 9799. |
3 days strategy to score 95+ marks ? Kise ko answer malum hai ky bhai koi tips ? |
| Answer» Maths | |
| 9800. |
An is equal to 3 n - 1 fid d |
| Answer» 2 | |