Question # 1

If x-2 and x-1 both are factors of x³-3x³+2x-4p, then P must equal to

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1

2

0

-2

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cos 2x + c

- cos 2x + c

tan 2x + c

cot 2x + c

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all are correct

Tan^-11/x = ______

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sin x

sec^-1X

cot^-1X

None of these

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1

-1

If (1+x)ⁿ=C₀+ C₁x +C₂x²+ ......+C_nx¹then C₀C₂+ C₁C₃+ C₂C₄+ .....+C_n-2C_n=

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none of these

The sum of coefficients in the binomial expansion equals to

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2

2ⁿ⁺¹

2^n-1

2ⁿ

The physical quantity which can be specified by a number alongwith unit is called a

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scalar

vector

constant

none of these

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