Question

Hello ! Pls solve the above sum. Thank you. No spamming.
$(( \frac{ - 1 }{ 2}^{ - 2} ) + ( \frac{1}{3}^{ - 2} ) + (\frac{1}{4} ^{ - 2} )) ^{ - 1}$
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Answer 1

Answer:

$- 2 ^{2} + - 3 ^{2} + 4 ^{2}$

$\frac{1}{2} + \frac{1}{3} + 4$

$3 + 2 \div 6 + 4$

$\frac{7}{6} + 4$

$7 + 24 \div 6$

$31 \div 6$

Answer 2

Answer:

your answer is in the attachment