Question

answer by clear steps​

Answer 1

Answer:

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Answer 2

Answer:

11

Step-by-step explanation:

The given expression is ;

                 $(\frac{1}{2})^{-2} - (\frac{1}{3})^{-2} + (\frac{1}{4})^{-2}$

                 $2^{2} -3^{2} +4^{2}$ = 4 - 9 + 16      { because after doing reciprocal power

                                     = 11                                     gets positive}