Question

Fie : R⇒R ,f ( x ) = 3 - 2x . Calculati media geometrica a numerelor a = f( √2 ) si b = f( -√2 ) .
MULTUMESC .

Answer 1

.....................................

Answer 2

[tex]f_{(x)}=3-2x\\ a=f_{( \sqrt{2} )}=3-2 \sqrt{2} \\ b=f_{ (\sqrt{2} )}=3+2 \sqrt{2} \\ M_g= \sqrt{a*b}\\ M_g= \sqrt{(3-2 \sqrt{2})-(3+2 \sqrt{2} ) }\\ M_g= \sqrt{3^2-(2 \sqrt{2})^2 } \\ M_g= \sqrt{9-4*2} \\ M_g= \sqrt{9-8}\\ M_g= \sqrt{1} \\ \bold{M_g=1}[/tex]