Question # 1

The first three terms in the expansion of (1 + x)^-2are ______

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1 - 2x + 3x²

1 - 2x - 3x²

1 + 2x + 3x²

-2 -2x + 3x²

Conic sections or simply conics are the curves obtained by cutting a right circular cone by

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a line

two lines

a plane

two planes

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

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2

-3

3

5

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If x = 1/x for x ∈ R then the value of x is

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±1

0

2

4

A function from A to B is denoted by

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f: A→ B

f: B → A

f: → A :B

f → A→ B

tanθ/2

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In the interval 0≤ x ≤ π, the sine is

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Not a function

Not defined

Infinity

Not one-to-one function

If z₁= 2 + 6i and z₂= 3 + 7i, then which expression defines the product of z₁and z₂?

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36 + (-32)i

-36 + 32i

6 + (-11)1

0, +(-12)i

If x²- 7x + a has remainder 1 when divided by x + 1, then a = ______

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-7

7

0

None of these

In triangle ABC, in which b=95, c=34, a =52^𝜊then the value of a=

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18 cm

18.027 cm

20.7 cm

19 cm

The standard form of the quadratic function f(x) = -x² +4x+2, is

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(x-2)²+6

-(x-2)² + 6

(x-3)²+5

(x+4)²-7

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cosec x + c

-cosec x + c

-sec x + c

sec x + c

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

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n - 1

n + 1

n + 2

n + 3

The system of measurement in which the angle is measured in degrees, minutes and seconds is called the

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circular system

CGS system

sexagesimal system

none of these

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

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5

2

3

If f(x) = x²then f(0) is

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0

1

2

none of these

A triangle has ____ elements

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3

4

5

6

The number of values of x in the interval [0, 5π] satisfying the equation 3 sin²x - 7 sinx + 2 = 0 is

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0

5

6

10

In a quadratic equation with leading co-efficient 1, a student reads the co-obtain the roots as - 15 and -4. The correct roots are

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6, 10

-6, -10

8, 8

-8, -8

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-3

-7

1

0

If f(x) = x³- 2x²+ 4x -1 then f(0) is

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0

1

-1

none of these

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0

1

-1

2

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(0.90)^1/2is equal to

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0.99

0.90

0.80

0.88

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G.P

H.P.

A.P.

No particular sequence

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