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Evaluate the definite integral (X^4)/(1-X^4) Cos^(-1)[2x/(1+x^2)] limit [-1/root3, 1/root3]

Atul , 7 Years ago
Grade 12th pass
anser 1 Answers
Aditya Gupta
Assume the function to be integrated f(x)
Now replace the function by f(a+b-x) or f(-x) in this case and then add both eqns. 
But arccosy+arccos(-y)=π
So 2I/π= integral of x^4/(1-x^4)
Now write it as 1/(1-x^4) - 1
Use partial fractions for 1/(1-x^4) and the question Will be solved
Last Activity: 7 Years ago
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