In the frollowing determine whetehr the given quadratic equations have real roots (i)16x2=24x+1(ii)x2+x+2=0(iii)√3x2+10x−8√3=0(iv)3x2−2x+2=0(v)2x2−2√3x+3=0(vi)3a2x2+8abx+4b2=0,a≠0(vii)3x2+1√3x−5=0(viii)x2−2x+1=0(ix)2x2+5√3x+6=0(x)√2x2+7x+5√2=0(xi)2x2−2√2x+1=0(xii)3x2−5x+2=0

In the frollowing determine whetehr the given quadratic equations have

1.	In the frollowing determine whetehr the given quadratic equations have real roots (i)16x2=24x+1(ii)x2+x+2=0(iii)√3x2+10x−8√3=0(iv)3x2−2x+2=0(v)2x2−2√3x+3=0(vi)3a2x2+8abx+4b2=0,a≠0(vii)3x2+1√3x−5=0(viii)x2−2x+1=0(ix)2x2+5√3x+6=0(x)√2x2+7x+5√2=0(xi)2x2−2√2x+1=0(xii)3x2−5x+2=0
Answer» In the frollowing determine whetehr the given quadratic equations have real roots $(i) 16 x^{2} = 24 x + 1 (i i) x^{2} + x + 2 = 0 (i i i) \sqrt{3} x^{2} + 10 x - 8 \sqrt{3} = 0 (i v) 3 x^{2} - 2 x + 2 = 0 (v) 2 x^{2} - 2 \sqrt{3} x + 3 = 0 (v i) 3 a^{2} x^{2} + 8 a b x + 4 b^{2} = 0, a \neq 0 (v i i) 3 x^{2} + 1 \sqrt{3} x - 5 = 0 (v i i i) x^{2} - 2 x + 1 = 0 (i x) 2 x^{2} + 5 \sqrt{3} x + 6 = 0 (x) \sqrt{2} x^{2} + 7 x + 5 \sqrt{2} = 0 (x i) 2 x^{2} - 2 \sqrt{2} x + 1 = 0 (x i i) 3 x^{2} - 5 x + 2 = 0$

Discussion

No Comment Found

Related InterviewSolutions

A ladder of length 6 metres makes an angle of 45° with the floor while leaning against one wall of a room. If the foot of the ladder is kept fixed on the floor and it is made to lean against the opposite wall of the room, it makes an angle of 60° with the floor. Find the distance between two walls of the room. [CBSE 2011]
12. The height of a building is one-third of the height of telephone exchange tower standing on it . If the angle of elevation of the top of the building when seen from a point on the ground is 30^° , then find the tangent of angle of elevation of the top of the telephone exchange tower when seen from the same point .
Question 5 In the following question out of the four options only one is correct, write the correct answer: If 5x3−4=2x5, then the numerical value of 2x-7 is: (a) 1913 (b) −1319 (c) 0 (d) 1319
In figure displayed below, if TP and TQ are the two tangents to a circle with centre O so that ∠POQ=110∘, then ∠PTQ is equal to
In the given figure, if ∠OAB=40∘, then ∠ACB = ___.
1. From a point 100 metre above a lake the angle of elevation of a stationary helicopter is 30^° and the angle of depression of reflection of the helicopter in the lake is 60 degree. Find the height of the helicopter above the lake.
If A and B are any two events having P(A∪B)=12 and P(A)=23 then probability of A ∩ B is (a) 12 (b) 23 (c) 16 (d) 13
For the given linear equation x−2y=1, match the different x values with their corresponding y values.
Let A be a square matrix of order n such that det(A)=10 and det(2A)2=40. Then the order of A is[1 mark]
A tangent is a secant with which of the following properties?

Discussion

No Comment Found

Related InterviewSolutions

Reply to Comment