Question # 1

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5

15

10

20

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1

2

-2

The sample space for tossing a coin twice is

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{H, T}

{HH, HT, TH, TT}

{H, T, HH}

{HH, HT, TT}

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all are correct

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The magnitude of vector a=i-3j+5k is:

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3

√35

√17

√35

If A∩B=B, then n(A∩B) is equal to

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n(a)

n(a)+n(c)

n(c)

None of these

The different of tan x is

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sec2 x

ln |sec x|

sec2 xdx

-cos ec2 x

For non-trival solution |A| is

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non zero

A = 0

|A| = 0

At = 0

The roots of px2 - (p-q)x-q=0 are

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equal

Irrational

Rational

Imaginary

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