Question # 1

x = secθ,y = tanθ are the parametric equations of

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Circle

Hyperbola

Ellipse

parabola

What is the conjugate of -6 -i

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-6 +i

6 + i

-6 -i

6 -i

What is the value of cos (cos-1 2) ?

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√2

1/2

undefine

0

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64.A point (x, y, z) moves parallel to xy plane. Which of the three variables x, y, z remain fixed?

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z

x

y

x and y

Which of the following is the definition of singleton

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The objects in a set

A set having no element

A set having no subset

None of these

If G is a G.M between a and b then a,G,b are in

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A.P

H.P

G.P

None of these

Let S_ndenote the sum of the first n terms of an A.P. If S_2n= 3 S_n: S_nis equal to

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4

6

8

10

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The roots of the equation 2^2x- 10.2^x+ 16 = 0 are

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2, 8

1, 3

1, 8

2, 3

The magnitude of a vector can never be

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Zero

Negative

Positive

None of these

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