# Math

posted by
**Andrew**
.

Find the definite integral of the following using a suitable substitution:

1) (x^2)/sqroot(x^3-1)dx

2)xe^(x^2)dx

3)(ln(x))^(7/2)/(x)dx

posted by
**Andrew**
.

Find the definite integral of the following using a suitable substitution:

1) (x^2)/sqroot(x^3-1)dx

2)xe^(x^2)dx

3)(ln(x))^(7/2)/(x)dx