JEE Advanced Mathematics question
Let . Then is equal to
Answer: (A)
Solution
(The lower limit of the first sum should read , i.e. .)
(2r-=+++(2n-=\{+++\}-\{+++\}
=f(2n)-\{+++\}=f(2n)-16f(n). (a) ✓
- (b) ✗: (for odd ) is
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