Question # 1

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2

6

i³=

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-1

i

-i

1

The equation x²+ y²= 0 represents

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A circle

A degenerate circle

An empty set

A st. line

Number of terms in the expansion of (a+x)ⁿis

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n - 1

n + 1

n + 2

n + 3

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(g,f)

(-g,f)

(g,-f)

(-g,-f)

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Improper rational fraction

Rational fraction

Proper rational fraction

None of above

If f (x)=a0 +a1x+a2x2+a3x3-----+0n-1xn-1+anxn then f(n) (x) is equal to

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n!

ann!

0

an

If a (p + q)²+ bpq +c = 0 and a (p + r)²+ 2 bpr + c = 0, then qr equals

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p²+ c/a

p²+ a/c

p²+ c/a

p²- c/a

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- cot 4x + c

cot 4x + c

tan 4x + c

- tan 4x + c

Which of the following is factor of p(x) =2x3 +3x2+3x+2 ?

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x+1

2x+1

3x+1

2x-1

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additive property

multiplicative property

additive inverse

additive identity

(0,1) is in the solution of the inequality

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3x + 2y > 8

2x - 3y < 4

2x + 3y > 5

x -2y < -5

The two different parts of the hyperbola are called its

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Vertices

Directrices

Nappes

Branches

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Additive property in R

Multiplication property in R

Cancellation property in R

Distribution property in R

The series obtained by adding the terms of a geometric sequence is called

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Infinite series

Arithmetic series

Geometric series

Harmonic series

A circle drawn inside a triangle and touching its sides is called ______;

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Circumcirle

Incircle

Escribed circle

unit circle

The set of natural is a semi group w.r.t

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Addition

Division

Subtraction

None of these

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If P is a proposition then its negative is denoted by

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4x + 1

4x

2x³

none of these

sin 3a = ______;

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3sin a - 4sin3a

4sin a -3 sin3 a

3 cos3 a -cosa

4cos3 a - 3cos a

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Principle of equality of fractions

Rule for product of fractions

Golden rule of fractions

Rule for quotient of fractions

The symbol of irrational is

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W

N

Q

Q'

sin(180° -θ)=

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cosθ

-cosθ

Tanθ

Sinθ

Range of cosθis

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A relation in which the equality is true only for some values of the unknown is called

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An identity

An equation

A polynomial

None

Which of the following is a vector

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length

momentum

volume

speed

A circle passing through the vertices of any triangle is called ______

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In circle

Circum circle

Escribed circle

None of these

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real part of z

imaginary part of z

conjugate of z

modulus of z

If origin is the mid point of (a, -3) and (-5, b) then

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a = -5 , b = -3

a = 5 , b =3

a = -5 , b = 3

a = 5 , b = -3

If cos (2 sin-1 x) = 1/9 , then what is the value of x?

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1/3

-2/3

2/3

2/3 , -2/3

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