Question

Tìm x, biết

\(\frac{-512}{343}=\left(\frac{-8}{7}\right)^x\)

Giúp mk nha, mk đag cần gấp ạ !! ♥

Answer 1

\(\frac{-512}{343}=\left(\frac{-8}{7}\right)^3\)

\(\Rightarrow x=3\)

Answer 2

-512/343=(-8/7)\(^3\)

Answer 3

\(-\frac{512}{343}=\left(-\frac{8}{7}\right)^x\)

Vì \(-\frac{512}{343}=\left(-\frac{8}{7}\right)^3\)

\(\Rightarrow x=3\)

Answer 4

Trả lời :

\(\frac{-512}{343}=\left(\frac{-8}{7}\right)^x\)

\(\Rightarrow\left(\frac{-8}{7}\right)^3=\left(\frac{-8}{7}\right)^x\)

\(\Rightarrow x=3\)

Vậy x = 3.

~Study well~

#KSJ