Question

(1/4)‐²+(1/2)‐²+(1/2)‐²​

Answer 1

4/1 2+ 2/1 2 +2/1 2

16+4+4

=24

It is the ans...

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Answer 2

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

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

$= 4 {}^{2} + 2 {}^{2} + 2 {}^{2}$

$= 16 + 4 + 4$

$= 24$