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प्रश्न
Find the value of the following:
3−1 + 4−1
बेरीज
उत्तर
We know from the property of powers that for every natural number a, a−1 = 1/a. Then:
`3^(-1)+4^(-1)=1/3+1/4` `->(a^(-1)=1/a)`
=`(4+3)/12`
`=7/12`
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