Question # 1

What is the period of Cot x?

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2π

π

π/2

4π

If y = sin(ax + b) then fourth derivative of y with respect to x=

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a⁴ cos (ax + b)

a⁴ sin (ax + b)

-a⁴ sin(ax +b)

a4 tan (ax + b)

r + 3 > 5 then which is true

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r + 2 > 4

r + 2 < 4

r + 2 + 4

None

If Cosθ =0, Then θ=

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nπ/2

(2n + 1)π/2

(2n - 1)π/2

(n ±1)π/2

An m x n matrix is said to be rectangular if

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Forms a group w.r.t. addition

Non commutative group w.r.t. multiplication

Forms a group w.r.t. multiplication

Doesn't form a group

If x² +y² = 4, Then dy/dx =

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2x +2y

4 -x²

-x/y

y/x

The total cost of 2 apples and 3 oranges is $1.70,which of the following is true

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The cost of one apple

The cost of one orange

Both have equal cost per item

Cost of each single item can not be determined

The multiplicative inverse of -1 in the set {1-,1} is

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40

30

50

20

Sec^-1 x=

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Cos^-1 1/x

Cosec^-1 1/x

Cos-1 (-x)

Tan^-1 x

6 is

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A prime integer

An irrational number

A rational number

A odd integer

If the diagonal of a square has coordinates (1,2) and(5,6) the length of a side is

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3

4

1

5

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