InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your Class 11 knowledge and support exam preparation. Choose a topic below to get started.
| 8451. |
Find the derivative of cot x |
| Answer» Cotx=1/tanxAs u. vu`-uv` ---- = ----------- v. v^2 = tanxd(1)/dx-1d(tanx)/dx -------------------------------------- tan^2x = tanx(0)-1sec^2x ------------------------- tan^x= -sec^2x÷tan^x= -1/sin^2x= -cosec^2x | |
| 8452. |
2 tanx - 7 secx |
| Answer» | |
| 8453. |
Sguare root of complex number |
| Answer» A +ib =under root mein which is given | |
| 8454. |
What is the value of sin 18 in radian? |
| Answer» | |
| 8455. |
What is tha blue print of maths |
| Answer» Max.marks of trigo.,,, srt.lines ,,, binomial ,,,then p and c | |
| 8456. |
Prove that cosx×cosx/2-cos3x×cos9x/2=sin7x/2×sin4x |
| Answer» | |
| 8457. |
why calculus is needed??? |
| Answer» You see, Calculus is really just one additional step beyond algebra and trig. Calculus is algebra and trigonometry with limits and limits aren\'t really that hard once you figure them out. There is often only one step in the problem that actually involves calculus, the rest is simplifying using algebra and trigonometry. | |
| 8458. |
find the domain and range 2x-4 |
| Answer» R | |
| 8459. |
Derivative of logarithm |
| Answer» log[x]=1/x | |
| 8460. |
Find the value of tan π/24. Explain in full concept. |
| Answer» I m talking about class 11 physical edu. Exam....kya wo dena jaruri hai????<br>Problem hai class 12 app ka additional subject nahi milega, physical education hut jaye ga<br>Kya koi batayega...ki ager physical education ka exam na de...toh koi prblm toh nhi....as it is an additional subject | |
| 8461. |
find the distance of point (a, b, c) from y-axis |
| Answer» | |
| 8462. |
Solve sin3x+sin5x+sin7x=0 |
| Answer» | |
| 8463. |
For mathematics which YouTube tuter is best for IIT JEE |
| Answer» Alakh pandey sir<br>Find out yourself | |
| 8464. |
Derivatin of cotx with first principle |
| Answer» | |
| 8465. |
Pl answer |
| Answer» | |
| 8466. |
Prove that SinA-sin3A+sin5A-sin7A/cosA-cos3A-cos5A+cos7A=cot2A. |
| Answer» L.H.S = sinA-sin3A+sin5A-sin7A/cosA-cos3A-cos5A+cos7A = -(sin7A-sinA)+sin5A-sin3A/cos7A+cosA-(cos5A+cos3A) = -2cos4A*sin3A+2cos4A*sinA/2cos4A*cos3A-2cos4A*cosA = 2cos4A(sinA-sin3A)/2cos4A(cos3A-cosA) = sinA-sin3A/cos3A-cosA = -2sinA*cos2A/-2sinA*sin2A = cos2A/sin2A = cot2A = R.H.S | |
| 8467. |
Darivative of x power2 -5 over cos X |
| Answer» | |
| 8468. |
State idempotent law |
| Answer» | |
| 8469. |
Solution of math sample paper 4 of cbse gude |
| Answer» | |
| 8470. |
If the point A(1,0,-6),B(3,p,q) and C(-5,9,6) are collinear find the value p and q |
| Answer» By using distanceAB√(3-1)²+(P-0)²+(q+6)²AB√(2)²+(P)²+(7q)²AB√4+p+49q²AB√4p+49q²AndBC√(-5-1)²+(9-p)²+(6-q)²BC√(6)²+(8p)²+(5q)²BC√36+64p²+25q²BC√(100p²+25q²ForAC√(-5-1)²+(9-0)²+(6+6)²AC√(6)²+(9)²+(12)²AC√36+81+144TheirforeAB+BC+ACIs collinear | |
| 8471. |
What is the other name of Thales theorem? |
| Answer» BPT theorem | |
| 8472. |
Derivative of sin²xx cox(x) By first principle |
| Answer» Cosx *cos x*sinx | |
| 8473. |
If 5,x,y,z 405 are the first 5 terms of a G.P , find the values of x,y,z. |
| Answer» | |
| 8474. |
Using first principle find the derivatives of x² log x with respect to x |
| Answer» | |
| 8475. |
Sex4x-1/sec2x-1=tan4x/tanx |
| Answer» | |
| 8476. |
The range of the fuction f(x)=9-x |
| Answer» | |
| 8477. |
2cos^2x+3 sinx =0 |
| Answer» | |
| 8478. |
What is the value of sin31π/3 |
| Answer» You Can split 31 pi /3,Sin(10 pi+pi/3)=sin pi/3=sin60We know sin 60= √3/2 | |
| 8479. |
Underoot of 65 |
| Answer» √65=8.7 (approximately) | |
| 8480. |
4x+3 |
| Answer» 4x+3 <6x+74x+3-3 <6x+7-34x<6x+44x-6x <6x-6x+4-2x <4-2x÷2 <4÷2-x <2X>2 | |
| 8481. |
class 11 ka course short ho gya h |
| Answer» | |
| 8482. |
[(X^2 - 1 )/x^2+x+1 ] |
| Answer» | |
| 8483. |
Find range of √3-2x-x^2 |
| Answer» | |
| 8484. |
2 3n -1 is multiple of 7 |
| Answer» | |
| 8485. |
Hello guys i am new in this aap |
| Answer» Hii kapil gujar<br>Ooh<br>I\'m also new on this app ??<br>Can u help me | |
| 8486. |
Please help me to understand power sets. |
| Answer» It is denoted by P(A).<br>The collection of all subsets of a set is called power set. | |
| 8487. |
Hey please anyone help me out!Is maths same for commerce and maths stream in class 11 and 12? |
| Answer» No there is actually very large difference between maths of commerce and science stream at CBSE level both are same but after 12th science one will become harder .....<br>Yes | |
| 8488. |
Should I buy R.D. Sharma,Luni or Cengage book ??? |
| Answer» Yes elements is the best<br>As ur wish<br>for maths u should take ##ELEMENTS of mathematics.... That\'s bestest than R. D. SHARMA... My teacher has told me that it\'s the best book for IIT\'s preparation... | |
| 8489. |
Find all integral roots of x^4+4x^3+8x+24=0 |
| Answer» | |
| 8490. |
If a vector =4i^+3^+2^ and b vector=3i^+2k^ find |b vector ×2avector| |
| Answer» | |
| 8491. |
A proper set B AUB=B |
| Answer» Set A={1,2,3}Set B={1,2,3,4,5}AUB=BHence, ur condition got fulfilled... | |
| 8492. |
If a,b,c are rational and a+b+c=0, prove that the roots of the quadratic ax²+bx+c=0 are rational |
| Answer» | |
| 8493. |
Solve:|x-1|+|x-2|>=4 |
| Answer» | |
| 8494. |
(A intersection B)`=(A`UB`) |
| Answer» It\'s true - demorgan\'s law | |
| 8495. |
(×2+3×-1)/(×+2)Rs aggarwal derevatives ch 28 ex 28D |
| Answer» | |
| 8496. |
Multiplicative inverse of 3-2i |
| Answer» | |
| 8497. |
{(x,y) : x E N, Y E N, and x + y = 10} |
| Answer» | |
| 8498. |
In the binomial expansion of (a-b) ^n, n≥5, the sum of 5th and 6th term is 0. Find a/b. |
| Answer» | |
| 8499. |
What is addition |
| Answer» Addition is the sum of two or more than two numbers. Example - 2+2=4 , 15+7= 22 , 0+0=0 | |
| 8500. |
5x+8/4-x |
| Answer» | |