Question

(1/2)⁻² + (1/3)⁻² + (1/4)⁻² = ?​

Answer 1

Answer:

(1/2)-³+(1/3)-²+(1/4)-¹

= (2)3 + (3)2 + (4) 1

= 8 + 9 + 4

= 21

Answer 2

Answer:

Step-by-step explanation:

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

= 2^{2} + 3^{2} = 4^{2}

= 4+9+16

= 29

hope it helps

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