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यदि log(7)2 = m है ,तो log(49)28का मान ...

यदि `log_(7)2 = m ` है ,तो `log_(49)28`का मान है

A

`2(1+2M)`

B

`(1+2M)/2`

C

`2/(1+2M)`

D

`1+M`

लिखित उत्तर

Verified by Experts

The correct Answer is:
B
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