Question # 1

An equation which hold good for all values of the variables is called

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Identity

fraction

mixed form

Partial equation

A polynomial of arbitrary degree

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f(x) = o

f(x) = x

f(x) = a

f(x) = ax + b,a ≠ 0

The polynomial x - a is a factor of the polynomial f(x) if and only if

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f(a) is positive

f(a) is negative

f(a) = 0

None of these

The sum of an infinite geometric series exist if

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| r | < 1

| r | > 1

r = 1

r = -1

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12

6

8

none of these

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ab=-1

ab = 1

ab = 2

None

Digit in the unit place of the number 183! + 3¹⁸³

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7

6

3

0

If the line 2x -y +k =0 is a diameter of the circle x2 +y2 +6x -6y +5 =0 then k is equal to

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12

9

6

3

If f(x) = x²then f(2) is

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-2

2

4

-4

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cos x

sec x tan x

sec²x

-cosec²x

f(x) = 2x²+ 3x + 5 is a

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trigonometric function

algebraic function

exponential function

logarithmic function

3/4 is ______

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An odd number

An even number

A natural number

A rational number

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If a plane passes through the vertex of a cone then the intersection is

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an ellipse

a hyperbola

a point circle

a parabola

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Considering Cosine Rule of any triangle ABC, possible measures of angle A includes

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Angle A is obtuse

Angle A is acute

Angle A is right-angle

All of above

The curve f(x,y) = 0 has a central symmetry if

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f(-x,-y)=f(x,y)

f(x,-y)=f(x,y)

f(-x,y)=f(x,y)

f(-x,-y)≠f(x,y)

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π / 3

π / 4

π / 6

0

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0

1

(n + 2) (n + 1) n= ______

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Range of 2 tan x is ______

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[-2, 2]

-1 < x < 1

R

None of these

Another name of quadratic equation is

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Polynomial

2nd degree polynomial

Linear equation

simaltaneous equations

If sinαand cosαare the roots of the equation px²+ qx + r =0, then

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p²- q²+ 2pr = 0

(p + r)²= q²- r²

p²+ q²- 2pr = 0

(p - r)²= q²+ r²

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If (1+x-2x³)⁶= 1+a₁x + a₂x²+ a₃x³+ ..... the the value of a₂+ a₄+ a₆+ .....+a₁₂will be

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32

31

64

1024

The element range of sequence are called

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Series

progression

Members

Terms

The largest possible domain of the function:

y=√(x ) is:

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(0 ,∞)

12

(3 , 12)

( 3 ,∞)

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cos x + c

-sin x + c

-cos x + c

sin x + c

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Multiplication property

Additive property

Trichotomy property

Transitive property of inequality

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