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Find the term indicated in each case: ...

Find the term indicated in each case:
(i) `a_(n)=(n^(2))/(2^(n)):a_(7)`
(ii) `a_(n)=(n(n-2))/(n-3),a_(20)`
(iii) `a_(n)=[(1+(-1)^(n))/2 3^(n)],a_(7)`

Text Solution

Verified by Experts

The correct Answer is:
(i) `49/128` (ii) `360/17` (iii) 0
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