∫c

Is y the correct variable to use in getting the solution of the two equation?

Anne a second-year college taking a BS Statistics program in Cebu Technological University. Her goal was to be a statistician in PSA.
Luiz a professor in Cebu Technological University. She is a graduate of BS Math and MS Math.

Will their destiny be a trial and error to get the correct u in integration by parts?
Will they be the f(x) and g(x) of their own power rule? Who will be their prime?
Who will be integrated?
Is it her or her?