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Question

For what value of n,a2n+1+b2n+1a2n+b2n is the arithmetic mean of a and b where ab.


A
1
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B
\N
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C
-1
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D
2
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Solution

The correct option is B 0
2(a2n+1+b2n+1a2n+b2n)=a+b
Solving this, we get
a2n(ab)=b2n(ab)(ab)2n=1n=0

Mathematics

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