log x + log 2y = log (x + 2y) केवल तभी ह...

log x + log 2y = log (x + 2y) केवल तभी होगा, जबकि-

A

`x=(3y)/(3y-1)`

B

`x=(2y)/(2y-1)`

C

`x=(y)/(y-1)`

D

x = y = 2

लिखित उत्तर

Verified by Experts

The correct Answer is:

B

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