Evaluate`intsin^3sqrt(x)dx`

Explanation

Let `I=int sin ^{3} sqrt{x} d x`
`

Sqrt x =t `
`
x =t^{2} `
`
d x =2 t d t `
`
I =2 int t sin ^{3} t d t `
`
=2 int t(frac{3 sin t-sin 3 t}{4}) d t `
`
=frac{1}{2} int t(3 sin t-sin 3 t) d t`

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