Question

${e}^{x} - {e}^{ - x} \div {e}^{x} + {e}^{ - x}$

Answer 1

Hi ,

( e^x - e^-x ) / ( e^x + e^-x )

= [ e^x - 1/e^x ] / [ e^x + 1/e^x ]

= [ e^2x - 1 ] / [ e^2x + 1 ]

I hope this helps you.

: )