Question # 1

AreCot √3 =?

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π/2

π

2π

π/6

2/(x+1)(x-1) = A/x+1 + B/x-1 corresponds to

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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

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

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10

20

12

1

If you looking a high point from the ground then the angle formed is

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Angle of elevation

Angle of depression

Right angle

Horizon

Multiplicative inverse of "1" is

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4

3

2

1

Ab > 0 and a > 0 then

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a > b

a < b

a = b

None

Which of the following is the equation of a line with slope 0 and passing through the point (4,3)

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X =4

X = -4

Y = 3

Y = -6

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

Unit vector in the positive direction of x-axis is

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î

ĵ

k̂

All

In general matrices do not satisfy

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Not a group

A group w.r.t. subtraction

A group w.r.t. division

A group w.r.t. multiplication

Period is Tan x/5 is

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5π

4π

2π

π/5

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NAT I Engineering Mathematics MCQs With Answers

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