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In the 10th term of `(x+y)^(n)`, the exponent of x is 3, then the exponent of x in the 7th term is __________ |
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Answer» Correct Answer - B The given exapnsion is `(x+y)^(n)` `T_(10)-T_(9+1)=""^(n)C_(9)(x)^(n-9)(y)^(9)` Given `n-9=3` `n=12` `T_(7)=T_(6+1)=""^(12)C_(6)(x)^(6)(y)^(6)` `:.` The exponet of x is 6 |
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