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CBSE Class 12-science Answered

Integral x(taninversex)^2/(1+x^4)dx
Asked by rraj.15266 | 27 Nov, 2017, 07:30: AM
answered-by-expert Expert Answer
begin mathsize 16px style integral fraction numerator 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 fraction numerator begin display style straight x end style over denominator begin display style 1 plus straight x to the power of 4 end style end fraction dx equals fraction numerator begin display style dt end style over denominator 2 end fraction 1 half integral tdt Integrate space it space further. end style
Answered by Sneha shidid | 28 Nov, 2017, 05:07: PM

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