Question # 1

An integral of 1/x dx is:

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1/x²

1/-x²

1/lnx

lnx

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sin (2π-θ)

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cosθ

sinθ

tanθ

-sinθ

If a2 = b2 then

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a = b

a+b= 1

|a+b| =0

None

A bag contains 7 whit, 5 black and 4 rd balls. If two balls are drawn at random from the bag, the probability that they are not of the same color is

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73 / 120

83 / 120

67 / 120

43 / 120

If A is an event then which of the following is true

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P(A)<0

0≥P(A)≤1

P(A)>0

None

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none of these

The general solution of the differential equation x dy / dx = 1 + y is:

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2

1

3

None

The value of x for which the polynomials x2 - 1 and x2 -2x + 1 vanish simultaneously is

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2

1

-1

-2

3x + 4 < 0 is

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inequality

equation

identity

not inequality

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0

1

2

1/2

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