Question

[(2)^-1+(4)^-1+(3)^ -1]^-1
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Answer 1

Answer:

Step-by-step explanation:

[2^-1 + 4^-1 + 3^-1]^-1

[1/2 + 1/4 + 1/3 ] -1

[6/12 + 3/12 + 4/12] -1

[13/12]-1

12/13

HOPE IT HELPS

Answer 2

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