Question

(1/2)^-2+(1/3)^-2+(1/4)^-2

Answer 1

HOPE IT WILL HELP YOU.....

Answer 2

${( \frac{1}{2}) }^{ - 2} + { (\frac{1}{3}) }^{ - 2} + { \frac{1}{4} }^{ - 2} \\ = \frac{1}{ { (\frac{1}{2} )}^{2} } + \frac{1}{ { (\frac{1}{3} )}^{2} } + \frac{1}{( { \frac{1}{4}) }^{2} } \\ = \frac{1}{ \frac{1}{4} } + \frac{1}{ \frac{1}{9} } + \frac{1}{ \frac{1}{16} } \\ = 4 + 9 + 16 = 29$

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