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integrate 1/1+x^4

Saideep Ch , 14 Years ago
Grade 11
anser 1 Answers
Shyama P

1/1+x4 =1/[x2(x2+1/x2)]

Split as :

1+1/x2 - (1-1/x2)

    2(x2+1/x2)

Evaluate as 2 integrals :

Put t=x-1/x in 1st & t=x+1/x in 2nd

 

Last Activity: 14 Years ago
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