Question # 1

AreCot √3 =?

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π/2

π

2π

π/6

Area of ΔABC=

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ab sin α

1/2 ab sin α

1/2 ac Sin γ

1/2 ac Sin β

What is the domain of y= Sin^-1 x?

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-1 ≤ x ≤1

1 ≤ x ≤ 1

0 ≤ x ≤ π

-π/2 ≤ x ≤ π/2

If f₁ (x) and f₂ (x) are any two anti derivatives of a function F (x) then the value of f₁ (x) = f₂ (x)

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A variable

A constant

Undefined

Infinity

If 4 - x > 5, then

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x > 1

x > -1

x < 1

x < -1

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

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10

20

12

1

The magnitude of a vector can never be

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Zero

Negative

Positive

Absolute

If x² +y² = 4, Then dy/dx =

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2x +2y

4 -x²

-x/y

y/x

Sin (2π -θ) =______.

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Cosθ

-Sinθ

-cosθ

Complex roots of real quadratic equation occur in

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Nilpotent matrix

Singular matrix

Non singular matrix

Diagonal matrix

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NAT I Engineering Mathematics MCQs With Answers

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