Question

question sol my place friend

Answer 1

(1/2)-²+(1/3)-²+(1/4)-²
( - )power so the number will be reciprocal
(2)²+(3)²+(4)²
4+9+16
29

Answer 2

$( {1 \div 2})^{ - 2} + ( {1 \div 3})^{ - 2} + ( {1 \div 4})^{ - 2}$
$= {2}^{2} + {3}^{2} + {4}^{2}$
$= 4 + 9 + 16$
$= 29$
hope it will be helpful to you