Question

[(2)^-1+(4)^-1+(3)^ -1]^-1​

Answer 1

\begin{gathered} \sf {➪ \: { ({2}^{ - 1} + {4}^{ - 1} + {3}^{ - 1}})^{ - 1} } \\ \\ \sf{➪ \: { (\frac{1}{2} + \frac{1}{4} + \frac{1}{3} })^{ - 1} } \\ \\ \sf{➪ \: { (\frac{6 + 3 + 4}{12} })^{ - 1} } \\ \\ \sf{➪ \: ( { \frac{13}{12} )}^{ - 1} } \\ \\ \sf{➪ \: \frac{12}{13} \: \: \: \: \: \: \: \: ......(ans)}\end{gathered}