Question

Rezolvati in multimea numerelor reale ecuatia radical de irdinul3√8la puterea 2x=4

Answer 1

$(\sqrt[3]{8})^{2x}=4 \\ \\ 8^{\frac{2x}{3}}=4\\ \\ 2^{3*\frac{2x}{3} }=4\\ \\ 2x=2\\ \\ \\ \boxed{x=1}$

Answer 2

$(\sqrt[3]{8})^{2x}$=4

$2^{2x}$=$2^{2}$

2x=2, x=1