Question # 1

(x+2)² = x² +4x +4 is

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1

2

3

4

Partial fraction of 1/x³-1 will be of the form

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Conjugate pair

ordered pair

reciprocal pair

quadratic function

Sin^-1 (-x) =

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Cos^-1 1/x

-Sin^-1 X

1/sin-1x

Sin^-1 1/x

In the figure PS is perpendicular to QR, if PQ = PR 26 and P8 = 24,then QR=

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10

20

40

26

If a rectangle has an area 81x² and length of 27x. then what is its width?

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3x

9x

3x²

9x²

If f(x) : A → B and g (x) : A → B then Dom [f(x) + g(x)] is

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Dom f(x) ∩ Dom g (x)

Dom f(x) ∪ Dom g(x)

[Domf(x)]² - [Dom g(x)]²

[Dom g(x)]²-[Domf(x)]²

3/2 is

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An irrational number

Whole number

A positive integer

A rational number

If θ= 60° then

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sin θ = 1/2

tan θ = cot 30°

θ = π/4

Sec θ =4

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

Given X, Y are any two sets such that number of elements in X=28, number of elements in set Y=28, and number of elements in set X∪Y=54, then number of elements in set X∩Y=

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-7 + 2i

7 + 2i

7-2i

√53

The set (Z, +) forms a group

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Function on B

Range

Domain

A into B

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NAT I Engineering Mathematics MCQs With Answers

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