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प्रश्न
Evaluate:
`(3^-1÷4^-1)^2`
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उत्तर
`(3^-1÷4^-1)^2`
=`(1/3÷1/4)^2`
=`(1/3xx4/1)^2=(4/3)^2`
=`16/9=1 7/9`
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