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The coefficients of linear expansion of ...

The coefficients of linear expansion of P and Q are `alpha_(1)andalpha_(2)` respectively. If the coefficient of cubical expansion of 'Q' is three times the coefficient of superficial expansion of P, then which of the following is true ?

A

`alpha_(2)=2alpha_(1)`

B

`alpha_(1)=2alpha_(2)`

C

`alpha_(2)=3alpha_(1)`

D

`alpha_(1)=3alpha_(2)`

Text Solution

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The correct Answer is:
A
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