Question Number 103820 by ~blr237~ last updated on 17/Jul/20

   ∫_R ^  (e^(−2iπax) /((1+x^2 )^2 ))dx = πe^(−2πa) ((1/2)+πa)         a>0

Answered by mathmax by abdo last updated on 18/Jul/20

my answer is correct but i delet the post...!