100 followers Problem

Calculus Level 5

4cos(ex)=2x+2x\large 4\cos(e^{x})=2^{x}+2^{-x} Find the number of solutions of equation above.

You may use ln(2π)<log2(2+3)\ln(2\pi)<\log_2 (2+\sqrt{3}).

×

Problem Loading...

Note Loading...

Set Loading...