Question

AJUTOR!!!!!!!
Cât este :
1 supra radical din 3 totul la puterea minus 2
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Answer 1

Răspuns:

3

Explicație pas cu pas:

$(\dfrac{1}{\sqrt{3} })^{-2}=(\dfrac{\sqrt{3} }{1})^2=(\sqrt{3})^2=3$

Answer 2

$\it \Big(\dfrac{1}{\sqrt3}\Big)^{-2} = \Big[\Big(\dfrac{1}{\sqrt3}\Big)^{-1} \Big]^2=\Big(\dfrac{\sqrt3}{1}\Big)^{2} = \dfrac{3}{1}=3$