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Sir please help me in finding the integral of
∫ x2(x4 +4)dx/(x2+4)

Pushkar Kumar , 6 Years ago
Grade 12
anser 1 Answers
Aditya Gupta

Last Activity: 6 Years ago

Simply divide the numerator by denominator to get 
x^4-4x^2+20-80/(x^2+4)
Now use formula ∫x^ndx= x^(n+1)/(n+1)
For ∫dx/(x^2+4), put x= 2tany, and you are done

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