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प्रश्न
Evaluate:
`{(3/5)^-2}^-2`
योग
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उत्तर
`{(3/5)^-2}^-2=(3/5)^(-2xx(-2))=(3/5)^4`
=`(3xx3xx3xx3)/(5xx5xx5xx5)=81/625`
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