Question

1/2 power-2 + 1/3 power -2 + 1/4 power -2

Answer 1

Answer:

The value of the question is (13/12)power-2

Answer 2

Answer:

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

so mate, your question s answer is 29.

hope it helps.

when you have any negative power in question then do the reciprocal of the fraction and then the power will become positive...