Question # 1

(a, b) + (-a, -b) =

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(0,0)

(a, b)

(-a, -b)

(1, 1)

The equation of the normal to the circle x²+ y²= 25 at (4, 3) is

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3x - 4y =0

3x - 4y =5

4x + 3y = 5

4x + 3y = 25

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0

abc

1/abc

None of these

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The identity elements with respect to subtraction is

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0

1

-1

Does not exist

Domain of cosθis

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Set of odd numbers

Set of integers

Set of real numbers

Set of complex numbers

The equation |x +4| = x has solution

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x = -2

x = 2

x = -4

x = 4

If A = [aij]mxpand B =[aij]pxnthen order of BA is

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m x n

p x n

n x m

None of these

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If 4 - x >5, then

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x > 1

x > -1

x < 1

x < -1

The mid point of the line joining (=1,-3) to(3,-5) is

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(1, 1)

(1,-1)

(2, -8)

(1, -4)

The line joining (1,3) to (a,b) has unit gradient then

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a-b =-2

a+b = 0

A-b =5

2a + 3b =1

If k₁ : k₂ = 1:1 then the point P dividing the line is

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Mid point

Extreme left point

Extreme Right point

Plies out side k₁ and k₂

The area of circle of unit radius=

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0

1

4

π

8 > t then

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(s -t) ²>(t -8)²

(s -t) ²<(t -8)²

(s -t) ²=(t -8)²

None

In the figure angle A is =

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15

60

90

20

The principal value of sin^-1 [√3/2] is

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π/3

-π/3

2π/3

5π/3

Sec^-1 x=

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Cos^-1 1/x

Cosec^-1 1/x

Cos-1 (-x)

Tan^-1 x

Which of the following is not defined?

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Arcsin 1/9

ArcCos (-4/3)

Arctan 11/12

Arccot (-4)

If A and B are matrices such that AB=BA=I then

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A and B are multiplicative inverse of each other

A and B are additive inverses of each other

A and B are singular matrices

A and B are equal

Two matrices A and B are conformable for multiplication (AB) if and only if

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Addition

Multiplication

Division

Subtraction

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