Question # 1

In polar form of complex number r =

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The function {f(x,y)|y = ax2 +bx +c} is

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One-one function

Constant function

Onto function

Quadratic function

One degree is denoted by

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1⁰

1'

1"

1 rad

The solution set of sin x + cos x = 0 is

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20

10

0

None of these

The angle of depression of the point at a distance 70 meters from the foot of the tower from the top of the tower is 45^𝜊.The height of the tower is

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37m

97m

101m

70m

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1

0

Arithmetic mean between 14 and 18 is

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16

17

15

32

f(x) = x is

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trigonometric function

exponential function

quadratic function

identify function

If f(x) = x³- 2x² +4x-1, then f(-2) =?

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0

-25

5

45

Sin^-1 x =?

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π/2- Sin^-1 x

π/2 -Cos^-1 x

-Sin^-1 x

-Cos^-1 x

The circle (x -2)² + (y + 3)² =4 is not concentric with the circle

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(x -2)² + (y + 3)² =9

(x +2)² + (y - 3)² =4

(x -2)² + (y + 3)² =8

(x -2)² + (y + 3)² =5

Cot 360° =______.

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Undefined

0.707

-0.5

0

r + 3 > 5 then which is true

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r + 2 > 4

r + 2 < 4

r + 2 + 4

None

The complement of set A relative to universal set U is the set

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X

φ

Universal set

d/dx (3y⁴) =

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12y³ dy/dx

8y³

8y³ dy/dx

12y³

If you looking a high point from the ground then the angle formed is

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Angle of elevation

Angle of depression

Right angle

Horizon

The end points of the major axis of the ellipse are called its

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foci

Vertices

Co-vertices

eccentricity

If a line passes through origin then the equation of the line is

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y = m/x

y = mx

x = my

None

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

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An identity

An equation

A polynomial

Inverse function

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