1.

Evaluate: `int((x^4-x)^(1//4))/(x^5) dx`

Answer» Correct Answer - `(4)/(15)(1-(1)/(x^(3)) )^(5//4)+C`
`int((x^(4)-x)^(1//4))/(x^(5))dx=int(1)/(x^(4))(1-(1)/(x^(3)))^(1//4)dx,`
` "Putting "1-(1)/(x^(3))=t, " we get" `
`I=(1)/(3)int t^(1//4)dt =(4)/(15)t^(5//4)+C=(4)/(15)(1-(1)/(x^(3)) )^(5//4)+C`


Discussion

No Comment Found

Related InterviewSolutions