Question

If a^n+1+ b^n+1/ a^n+b^n is A.M. between a and b then the value of n is.... (a) 0 (b) 1 (c) -1 (d) 2
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Answer 1

Solution

Don't get afraid of seeing long calculation and use of powers in this question. This question gonna be easy than you expected, I promise.

1. Just break powers according to need of question
2. Take like terms togethers and also take common terms outside bracket.
3. Remember that A.M. = (a + b)/2

Answer: Option (A).

Happy Learning! :)

Answer 2

Answer:

The correct potion is "A".

THANK YOU