exponential equation with log

\hspace{-16}$Calculate value of $\mathbf{x}$ in $\mathbf{\log_{3}(1+2x)=3^x-x-1}$\\\\

4 Answers

1
Athenes Analyst ·

x=0.

1
Abhinav Gupta ·

x=1 also satisfies the equation.

11
Sambit Senapati ·

Ya, those are 2 obvious solutions, but can anyone solve it?

21
Shubhodip ·

Simply consider

33x-x-1 - (1+ 2x)

and that its convex

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