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`((243)^(n/5).3^(2n+1))/(9^(n).3^(n-1))` का मान क्‍या है?
A. 1
B. 9
C. 3
D. `3^(n)`

1 Answer

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Correct Answer - B
`((243)^(n/5).3^(2n+1))/(9^(n).3^(n-1))=((3^(5))^(n/5).3^(2n+1))/(3^(2n).3^(n-1))`
`=(3^(n+2n+1))/(3^(2n+n-1))=(3^(3n+1))/(3^(3n-1))=3^(3n+1-1-3n+1)`
`3^(2)=9`

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