1.

If `3^x=6561`, then `3^(x-3)` is ____A. 81B. 243C. 729D. 27

Answer» Correct Answer - 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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