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If log a+log (a^(2)/b)+log (a^(3)/b^(2))...

If `log a+log (a^(2)/b)+log (a^(3)/b^(2))+.. .. n` terms `=(n)/(2)(P log a+Q log b)` then `P Q=`

A

a. `n^(2)-1`

B

b.` 1-n^(2)`

C

c.`(n+1)^(2)`

D

d.`(n-1)^(2)`

Text Solution

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The correct Answer is:
B
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