1.

यदि `3^(10)xx27^(2)=9^(2)xx3^(n)` हो तो `n` का बताइए?A. `10`B. `12`C. `15`D. `30`

Answer» Correct Answer - B
`3^(10)xx27^(2)=9^(2)xx3^(n)`
`3^(10)xx(3^(3))^(2)=(3^(2))^(2)xx3^(n)`
`3^(10+6)=3^(4+n)`
So,
`10+6=4+n`
`n=12`


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