Question # 1

The value of k (k > 0) for which the equation x²+ kx + 64 = 0 and x²- 8x + k = 0 both will have real roots is

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8

-16

-64

16

If the roots of ax²+ b = 0 are real and distinct then

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ab > 0

a = 0

ab < 0

a > 0, b > 0

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0

-1

1

-2

cos h²x + sin h² x

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an even function

an odd function

an even and implicit function

neither even nor a odd

p(x) = 2x⁴- 3x³+ 2x - 1 is polynomial of degree

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1

2

3

4

The fixed point from which all the points of a circle are equidistant is called the

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chord of the circle

centre of the circle

diameter of the circle

radius of the circle

General solution of tan 5θ= cot 2θis

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The unit vector along z-axis is

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none of these

The probability to get an odd number in a dice thrown once is

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6

1

1/6

1/2

p, q, r and s are integers. If the A.M. of the roots of x2- px + q2= 0 and G.M. of the roots of x2- rx + s2= 0 are equal, then

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q is an odd integer

r is an even integer

p is an even integer

s is an odd integer

The point on y²= 4ax nearest to the focus has its abciassae equal to

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-a

a

a/2

0

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