Question

simplify 1-e^x/1+e^x

Answer 1

hi

Answer 2

simplify 1-e^x/1+e^x
( 1-e^x)/(1+e^x), add and subtract 1
=\[\frac{ -e ^{x}+1 }{ e ^{x}+1 }+\frac{ e ^{x}+1 }{ e ^{x}+1 }-1\]
=\[\frac{ 2 }{ e ^{x}+1 }-1 \]