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If 3^x=6561, then 3^(x-3) is...

If `3^x=6561`, then `3^(x-3)` is ____

A

81

B

243

C

729

D

27

Text Solution

Verified by Experts

The correct Answer is:
B

`3x=6561 =(81)^2=(3^4)=3^8`
`rArr x=8`
`3^x-3=3^8-3=3^5=243`
Hence, the correct options is (b).
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