Question # 1

Matrix multiplication is

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Commutative

Not commutative

Not associative

Not distributive

General solution of tan 5θ= cot 2θis

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(1,0) is in the solution of the inequality

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3x + 2y > 8

2x - 3y < 4

2x + 3y > 3

x - 2y < -5

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-1

0

1

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The probability that a person A will be alive 15 years hence is 5/7 and the probability that another person B will be alive 15 years hence is 7/9. Find the probability that both will be alive 15 years hence

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4/63

5/9

45/49

None of these

The position vector of any point in space is

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Period of 3 sin x is ______

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Find a if 1 is a root of the equation x²+ ax + 2 = 0

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3

-3

2

0

Which one is not defined∀n∈Z+

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-n!

n!

(-n)!

n!+0!=n!+1

If a₁, r are first term and the common ratio respectively then the sum of an infinite geometric series is

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

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90°

100°

10°

120°

What is the conjugate of -6 -i

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-6 +i

6 + i

-6 -i

6 -i

Onto function is also called

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Binjective function

Injective function

Surjechive function

None of these

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2 x 2

2 x 3

3 x 2

3 x 3

If the angle between two vectors with magnitude 6 and 2 is 60° when their scalar product is

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12

6

3

0

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Rule of quotient of fraction

Golden rule of fraction

Rule for product of fraction

Principle for equality of fraction

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The additive inverse of 0 is

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1

-1

0

Does not exist

If y = eax sin bx and y2 - 2ay1 + (a2+b2) y=0 the for what values of a and b we have y2+10y1+34y =0

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a = -10,b=34

a=-5,b=3

a=5,b=3

a=10,b=34

sinα=

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2 sinαcosα

2 sinαcosβ

2 sinα/2 cosα/2

1+ tan²α/2

{0} is a

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Empty set

Singleton set

Zero set

Null Set

If n is any positive integer then 4ⁿ>3ⁿ+ 4 is true for all

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If (1+x)ⁿ=C₀+ C₁x +C₂x²+ ......+C_nx¹then C₀C₂+ C₁C₃+ C₂C₄+ .....+C_n-2C_n=

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56

7

8

8/7

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Additive inverse of - a - b is

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a

-a + b

a - b

a + b

Second derivative of y = x⁹+ 10x²+ 2x - 1 at x = 0 is

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10

20

12

1

What is the number of elements of the power set of {0, 1}

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1

2

3

4

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I and II quadrants

I and III quadrants

II and III quadrants

II and IV quadrants

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