Jadmktorman Jadmktorman

31-07-2016
Mathematics

Answered

What is the solution to the equation 7^3x ≈ 9 ?

Verified Answer :

dalendrk dalendrk

31-07-2016

\(7^{3x}\approx9\\\\\log_77^{3x}\approx\log_79\\\\3x\approx\log_79\ \ \ \ |divide\ both\ sides\ by\ 3\\\\\boxed{x\approx\dfrac{\log_79}{3}=\frac{1}{3}\log_79=\log_79^\frac{1}{3}=\log_7\sqrt[3]9}\)

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