Integral 2xtaninversex^2/1+x^4 dx

Asked by rraj.15266 | 5th Dec, 2017, 12:53: PM

Expert Answer:

begin mathsize 16px style integral fraction numerator 2 xtan to the power of negative 1 end exponent straight x squared over denominator 1 plus straight x to the power of 4 end fraction dx
Put space tan to the power of negative 1 end exponent straight x squared equals straight t
fraction numerator 1 over denominator 1 plus straight x to the power of 4 end fraction cross times 2 xdx equals dt
integral tdt
Integrate space it space further. end style

Answered by Sneha shidid | 5th Dec, 2017, 02:05: PM