यदि log 3^(x-2y)=27 और 7^(3x+y)=1//7...

यदि `log 3^(x-2y)=27` और `7^(3x+y)=1//7`

A

`x=(1)/(7),y=-(10)/(7)`

B

`x=1, y=-1`

C

`x=(1)/(3),y=-2`

D

उपर्युक्त में से कोई नहीं

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The correct Answer is:

A

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