1.

सरल करें :`(0.bar(1))^(2){1-9(0.1bar(6))^(2)}`A. `-1/162`B. `1/108`C. `7696/(10^(6))`D. `1/109`

Answer» Correct Answer - B
According to the question
`(0.bar1)^(2){1-9(0.bar(16))^(2)}`
`=(1/9)^(2){1-9((16-1)/90)^(2)}`
`implies1/81{1-9(15/90)^(2)}`
`implies1/81(1-9/36}implies1/80xx3/4`
`implies1/108`


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