Question

Aflati un numar real 'x' stiind ca media geometrica dintre el si 16 este 2 (34 Puncte + Coronita)

Answer 1

rad (16x)=2
16x=4
x=1/4

Answer 2

[tex] \sqrt{x16} = 2 [/tex]
$\sqrt{x}4 = 2$
$\sqrt{x}=\frac{2}{4}$
$\sqrt{x}=\frac{1}{2}$
$\sqrt{x^2}=\frac{1^{2}}{2^{2}}$ 
$x=\frac{1}{4}$