Question

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

Answer 1

Here is ur answer

hope it helps

Answer 2

When a number ^ -1,then the number turns into its reciprocal ,so when a reciprocal^-1 the opposite thing happens ,therefore

1/4^-2+1/3^-2+1/3^-2

Gives us 4^2+3^2+2^2

=16+9+4= 29