Question

(1/2)-²+(1/3)-²+(1/3)-²​

Answer 1

Answer:

${ \frac{1}{2} }^{ - 2} + { \frac{1}{3} }^{ - 2} + {\frac{1}{3} ^{ - 2}} \\ = {2}^{2} + {3}^{2} + {3}^{2} \\ = 4 + 9 + 9 \\ = 22$

Step-by-step explanation:

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