Question # 1

If x is an image of y under the function f. This can be written as

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y = f(x)

f(x) = 0

x = f(y)

f(y) =0

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The period sin²θis

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π²

π

2π

π/2

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a cos(ax + b) + c

- a cos(ax + b) + c

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sec x tan x

-cosec x cot x

sec²x

-sin x

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1/3

1

3

None of these

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3/4

r

v

None of these

y=0 of the parabola y² = 4ax is the

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equation of directirx

Equatio of the tangent

Equation of axis

equation of latus rectum

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A quadratic equation in x is an equation that can be witten in the form

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ax²+ b = 0

ax³ +b²+c=0

ax² +bx+c=0

ax³ +bx³+cx=0

The angle of depression of a point A on the ground from the top of the tower is 30𝜊,then the angle of elevation of the top of the tower at the point A is

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60𝜊

40𝜊

41𝜊

30𝜊

The distance of the point (-2, -3) from the origin is

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2

-5

-3

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1/3 is ______

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A prime number

An integer

A rational number

An irrational number

How many arrangements of the letters of the word PAKISTAN cab be made

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The set of complex numbers forms a group under the binary operation of

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Addition

none of these

Division

Subtraction

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If s = 2t³- 3t²+ 15t - 8 is the equation of motion of a particle, then its initial velocity is

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8

15

-6

None

If n is a positive integer then n! is

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(n - 1) (n - 2) .....3,.2.1

n(n - 1) (n - 2) ...3.2.1

n(n - 1 ) ( n -2) ... 3

None of these

The equation of the circle with centre (5, -2) and radius 4 is

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(x-5)²+ (y+2)²= 16

(x-5)²+ (y+2)²= 4

(x-5)²+ (y-2)²= 16

(x-5)²+ (y-2)²= 4

Coordinates of the focus of the parabola x² - 4x -8y-4=0 are:

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(0,2)

(,0,1)

(2,0)

(1,2)

A chord passing through the centre of the circle is called

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the secant of the circle

the tangent of the circle

the arc of the circle

the diameter of the circle

If z₁ = 1 + 2i, z₂ = 3 + 4i then

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z₁ > z₂

z₁ = z₂

z₁ < z₂

None of these

E-radius corresponding to < B is

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What is the conjugate of -6 -i

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-6 +i

6 + i

-6 -i

6 -i

cos(a-β) = ______;

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sin a cosβ + cos a sinβ

sin a cos β - cos a sinβ

cos a cos β + sin a sinβ

cos a cosβ - sin a sinβ

If A is a non singular matrix then A^-1= ______

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(1, 3)

(-1, -3)

(1, -3)

(-1, 3)

3x + 4 = 0 is

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not inequality

equation

identity

inequality

The differential equation of all st. lines which are at a constant distance to form the origin is

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