Question

simlify it 4ae^2ax/e^4ax+2e^2ax+1 Should get this 4a/(e^ax+e^-ax)^2?

Answer 1

e^4ax+2e^2ax+1=(e^2ax+1)^2
so deviding numerator and denominator by e^2ax you get the result

Answer 2

yes yes i got it

Answer 3

4a/e^-2ax(e^2ax+1)^2=
4a/[e^-ax(e^2ax+1)]^2=4a/(e^ax+e^-ax)^2