Question # 1

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

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10

20

12

1

There are 30 Red balls and 25 Green balls in a bag of a ball is drawn from the bag randomly what is the probability that a Blue ball comes out?

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1

0.5

0

None

The principal value of sin^-1 [√3/2] is

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π/3

-π/3

2π/3

5π/3

The statement that a group can have more than one identity elements is

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True

False

Fallacious

Some times true

If the 9^th tern of A.P is 8 and the 4^th term is 20. then the first term is

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1

2

-2

-1

Unit vector in the positive direction of x-axis is

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î

ĵ

k̂

All

0 (zero) is

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A irrational number

A rational number

A negative integer

A positive number

If Sin θ =Cosθ then θ=

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30°

45°

60°

90°

If f (x) = x/x²- 4 then which is not included in the domain of f(x)

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0

-2

1

4

Which is not included in the domain of Cos^-1 x

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0

1

-1

2

Complex roots of real quadratic equation occur in

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Nilpotent matrix

Singular matrix

Non singular matrix

Diagonal matrix

Which is a proper rational fraction

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3x - 7/x² +4

2x² - 5/x² + 4

3x⁴/2x² - 15

All are proper rational fraction

Which of the following is the solution of Cot²x = 1/√3

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π/5

π/3

π/7

π/9

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