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Series (1)/(log(2)^(2)) + (1)/(log(4)^(4...

Series `(1)/(log_(2)^(2)) + (1)/(log_(4)^(4)) + (1)/(log_(8)^(4)) + …..+ (1)/(log_(2^(n))4)`=……….

A

`(n(n+1))/(2)`

B

`(n(n+1)(2n+1))/(12)`

C

`(n(n+1))/(4)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
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  9. 1^(2) + 3^(2) + 5^(2)+……..up to n terms is……..

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  10. If S(n)=1 + (1)/(2) + (1)/(2) + …..+ (1)/(2^(n-1)), (n in N) then …….

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  14. If 25, x - 6 and x - 12 are in G.P then x = .......... or ......... .

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