proof-that-dx-x-2-ax-a-2-x-2-bx-b-2-equals-2pi-a-b-3ab-a-2-ab-b-2-

Question Number 108305 by Sayantan chakraborty last updated on 16/Aug/20

p r o o f t h a t \underset{- \infty}{\int^{\infty}} \frac{d x}{(x^{2} + a x + a^{2}) (x^{2} + b x + b^{2})} e q u a l s \frac{2 π (a + b)}{\sqrt{} 3 ab (a^{2} + ab + b^{2})} .