Integral of a root of a quantity, with u' present: ![]()
This is not like the patterns in any of out rules unless we convert the radical to a power:
![]()
Now it may fit the pattern of the General Power rule for integrals.
Try
, n = 1/2, and ![]()
The only missing part is a factor of 30, which we can handle by using
. Upon substitution, we get
![]()
Now we use the Scalar Multiple rule for integrals to get
![]()
Applying the General Power rule for integrals, we get

To finish the problem, we substitute u as a function of x:
![]()
Test Problem: Find ![]()
a) ![]()
b) ![]()
c) ![]()
d) ![]()