Evaluate ∫0∞e−axsin(bx)dx\int_0^{\infty} e^{-ax} \sin(bx) dx∫0∞e−axsin(bx)dx.
b/(a2+b2)b/(a^2+b^2)b/(a2+b2)
a/(a2+b2)a/(a^2+b^2)a/(a2+b2)
1/(a2+b2)1/(a^2+b^2)1/(a2+b2)
b/a2b/a^2b/a2