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The first three terms in the expansion o...

The first three terms in the expansion of
` (1+a x)^(n ne 0)` are `1,6 x, 16 x^(2)` . Then the values of `a ` and `n ` are respectively.

A

2 and 9

B

3 and 2

C

`(2)/(3) and 9 `

D

`(3)/(2) and 6 `

Text Solution

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The correct Answer is:
C
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