I am having difficulty with this problem? Can someone EXPLAIN the steps on how you arrive at the answer so that I can understand this?

Here is the problem:

Question 8 0 point The Second Gate You arrive at the gate that holds the spaceship Your computer translates the password requirement as follows Find the indenite integral on the domain of positive real numbers for the following function f[z) : % +121'35 To appropriately translate the password, you will need to enter an exact answer Your computer reminds you to include a "+ C" if appropriate, and that you should enclose arguments of functions in parentheses such as sin (23). To enter , type sqrtla). ab sin (a) oo a EU 0 Gate Password: B D Explain, in your own words and with your own work, how you arrived at this result. Be sure to explain using calculus concepts to best support the work of the game design team. I}: ll'I ll