Question

Simplify ((2)^-1+(4)^-1+(3)^-1)^-1
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Answer 1

Answer:

given

${ ({2}^{ - 1} + {3}^{ - 1} + {4}^{ - 1} ) }^{ - 1} \\ \\ = > {(\frac{1}{2} + \frac{1}{3} + \frac{1}{4}) }^{ - 1} \\ \\ = > \frac{1}{ \frac{1}{2} + \frac{1}{3} + \frac{1}{4} } \\ \\ = > \frac{1}{ \frac{6 + 4 + 3}{12} } \\ \\ = > \frac{12}{13} \\ \\ = > 0.92(approx)$

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