Question

Buna seara !
-x la puterea -2 supra - 2
 E corect scris sub forma 1 supra 2x la puterea a 2-a ?

Answer 1

 

$\displaystyle\\\frac{-x^{-2}}{-2}=\frac{\dfrac{1}{-x^{2}}}{-2}=\frac{1}{-x^{2}\cdot (-2)}=\boxed{\frac{1}{2x^{2}}}\\\\\Longrightarrow~~\text{Este corect ce ai scris tu.}$