Question # 1

Sin^-1 (-x) =

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Cos^-1 1/x

-Sin^-1 X

1/sin-1x

Sin^-1 1/x

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

An angle of one radian is equivalent to

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90^o

60^o

67^o

57^o, 18^o

d/dx ∫x¹ dx =________.

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1/4 x⁴

X³

3x³

x⁴/4

∫1/ax +b dx =

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1/a log |ax + b| +c

Log |ax + b| +c

1/b log |ax +b| +c

1/x log |ax + b| +c

Cos^-1 x =

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∏ = sin^-1 x

∏ + sin^-1 x

∏/2 - sin^-1 x

∏/2 +sin^-1 x

One of the roots of the equation 2x² + 3x + n = 0 is the reciprocal of the other, then n = --------------------

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Both A,B have the same number of columns

Both A,B do not have the same order

Number of col A is same as number of rows of B

Number of rows of A is same as number of col of B

A die is thrown what is the probability that there is a prime number on the top?

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1/2

1/3

1/6

2/3

If |A| ≠ 0 then A is called

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1

-1

±1

0

If α and β be irrational roots of a quadratic equation, then

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α = b/a and β = ca

α = a/b and β = -c/a

α² + β² = 1

α = -b/a and β= c/a

Sin x + Cos x=1 x=

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π

π/2

π/3

π/4

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NAT I Engineering Mathematics MCQs With Answers

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