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If (a^n+b^n)/(a^(n-1)+b^(n-1)) is the A....

If `(a^n+b^n)/(a^(n-1)+b^(n-1))` is the A.M. between a and b, then find the value of n.

A

`-1`

B

0

C

`1//2`

D

1

Text Solution

Verified by Experts

The correct Answer is:
D
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VMC MODULES ENGLISH-SEQUENCE AND SERIES -LEVEL-1
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  9. If a, b, c, d are distinct positive numbers in A.P., then:

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  11. The sum of the series: 1/((log)2 4)+1/((log)4 4)+1/((log)8 4)++1/((log...

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  12. A sequence an , n in N be an A.P. such that a7 = 9 and a1 a2 a7 ...

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  14. If the sum of n terms of an A.P. is given by Sn=a+b n+c n^2, w h e r e...

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