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# Methods of Integration | IntMath forum

• Partial Fraction [Solved!]
In example 4, the numerator in the next-to-last step is (1/2)x + 1. How did you...
Find int sqrt (x^2 + 1) dx with limits of integration from 0 to...
can you help me solve this problem? int_0^1 1/(1+x^4)dx