Question

2^x = 4⁷/8³. Giúp mình với ạ..Mình cảm ơn trước nha !! 

Answer 1

\(2^x=\dfrac{4^7}{8^3}=\dfrac{\left(2^2\right)^7}{\left(2^3\right)^3}=\dfrac{2^{14}}{2^9}=2^5\\ \Rightarrow x=5\)

Answer 2

\(2^x=\dfrac{4^7}{8^3}=\dfrac{\left(2^2\right)^7}{\left(2^3\right)^3}=\dfrac{2^{14}}{2^9}=2^5\\ \Rightarrow x=5\)

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