Question # 1

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π

2π

π/2

None of these

If u =2i +pi + 5k and v = 3i + i +pk are perpendicular , then p=

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1

2

-1

-3

sin (2π-θ)

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cosθ

sinθ

tanθ

-sinθ

The set {1,2,3,4......} is called

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Set of natural numbers

Set of whole numbers

Set of rational number

Set of irrational numbers

If a = 2i +2j, b= 3i -j and c=4i +5j, the 3b -a-2c =

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-i -15j

i-15j

i-3j

None of these

In one hour, the minute hand of a clock turns through

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The area enclosed between the graph y = x²-4x and the x- axis is:

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20/3

41/3

32/3

25/3

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The set of the first elements of the orders pairs forming a relations is called its

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Relation in B

Range

Domain

Relation in A

(1 + 2x)⁴= ______

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1 + 4x + 6x²+ 4x³+ x⁴

1 - 4x + 6x²- 4x³+ x⁴

1 - 8x + 24x²- 32x³+ 16x⁴

1 + 8x+ 24x²+ 32x³+ 16x⁴

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