Question # 1

The distance of the point (a, b) from x-axis is

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a

b

a + b

e-radii are denoted by

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η

r2

r3

All of these

If a,b,c are unit vectors then |a + b|2 +|a - b|2

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4

8ab

9cos

4(a,b)

Which of the following is a quadrantal angle

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100°

200°

170°

270°

If x - 1 is a factor of x4 - 5x2 + 4 then other factor is

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(x + 2)2(x - 1)

(x + 2)(x - 1)2

(x+2)(x2- x- 2)

(x + 2)2(x - 1)2

sin(π+θ)=_______;

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sinθ

cosθ

-sinθ

-cosθ

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0

1

If in the expansion of (1+x)ⁿ, co-efficients of 2nd, 3rd and 4th terms are in A.P., then x=

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4

5

6

7

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are real no

both are not real

are imaginary no

both are imaginary

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1

0

i =

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How many arrangements of the letters of the word ADDING can be made

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If the roots of 3x2+kx + 12 = 0 are equal then k = ______

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If c is a constant number and if f is the function defined by the equation f(x) =c for all values of x, then f is differentiable at every x and f is defined by the equation f(x)

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f

1

C

0

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If z₁ = 1 + 2i, z₂ = 3 + 4i then

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z₁ > z₂

z₁ = z₂

z₁ < z₂

None of these

The equation of line passing through intersection of line x = 0 and y = 0 and the point (2,2) is

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y = x

y = x - 1

y = x + 1

In a triangle if a > 45°,β > 30° then y cannot be

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90°

100°

10°

120°

For any integer k, wⁿ= ______ when n = 3k

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1

2

0

-4

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0

1

-1

none of these

Te order of the differential equation of all conics whose axes coincide with the axes of co-ordinates is

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2

3

4

1

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30°

45°

60°

90°

x³+ 2x²- 3x + 5 is ______

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An equation

A polynomial

Proper rational fractions

Improper rational fractions

The equation of the circle with centre (-h, -k) and radius r is

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(x +h)²+ (y+k)²= r²

(x +h)²+ (y-k)²= r²

(x -h)²+ (y+k)²= r²

(x -h)²+ (y-k)²= r²

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5

20

9

4

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a = 2, b = 3

a = 3, b = 2

a = 2, b = 1, 2

a = 3, b = 3

f(x) = C is

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identity function

constant function

linear function

quadratic function

The roots of the equation will be irrational if b²- 4ac is

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Positive and perfect square

Positive but not a perfect square

Negative

Zero

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