Question # 1

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The two different parts of the hyperbola are called its

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Vertices

Directrices

Nappes

Branches

We also the system of non-homogeneous linear equations by

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a and b

b and c

c and a

a, b and c

If f(x)= x³ then f(-2) is

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-2

-4

-8

8

The value of x, and y, when (x + iy)²= 5 + 4i

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X = 2, y = 1

X = -2, y = 1

X = 2, y = -1

X = 2, y = 2

If for the matrix A,A5 = 1,then A-1=

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A2

A3

A

None of above

Range of 3 cot x is ______

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[-1, 1]

[-3, 3]

R

None of these

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-2x cos x²

-2x²sin x²

-x²sin x

-2x²sin x²

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none of these

A line segment whose end points lie on a circle is called

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the secant of the circle

the arc of the circle

the chord of the circle

the circumference of the circle

Cos^-1 12/13 =

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tan^-1 3/5

cot^-1 13/12

Sec^-1 13/12

sin^-1 5/13

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If A is a skew-symmetric matrix of order n and P, any square matrix of order n, prove that P' AP is

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Skew-symmetric

Symmetric

Null

Diagonal

Which one is not defined∀n∈Z+

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-n!

n!

(-n)!

n!+0!=n!+1

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When a selection of object is made without paying regard to the order of selection, it is called

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Sequence

Series

Combination

Permutation

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an A.P.

a G.P.

a H.P.

None of these

If f(x) = x³- 2x²+ 4x -1 then f(2) is

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7

-16

16

-9

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The central angle of an arc of a circle whose length is equal to the radius of the circle is called the

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degree

radian

minute

second

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110

220

1320

None of these

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If f(x) = tan x then f(0) is

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0

1

1/2

The set of whole numbers is subset of

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The set on integers

The set of natural numbers

{1, 3, 5, 7, ....}

The set of prime numbers

If order of A is m x n, then order of A^tis

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m x m

n x n

m x n

n x m

Roots of the equation x²+ 5x - 1 = 0 are

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Rational

Irrational

Complex

None of these

(1, 1) is the in the solution of the inequality

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3x + 4y > 3

2x + 3y < 2

4x = 3y > 5

2c - 3y > 2

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