If \(\int\frac{1}{(x^2+1)(x^2+4)}dx=A\tan^{-1}x+B\tan^{-1}\frac{x}{2}+c\) then
Answer & explanation
Correct answer: option 2
Assume \(x^2=t\) and apply partial fraction
If \(\int\frac{1}{(x^2+1)(x^2+4)}dx=A\tan^{-1}x+B\tan^{-1}\frac{x}{2}+c\) then
Correct answer: option 2
Assume \(x^2=t\) and apply partial fraction