Hello, I am attempting to do a radiolgoical dose over equivalent fields problem. I have the following integral that I am trying to show each step for but am getting tricked up after the first integration. Any help would be greatly appreciated: 1. The problem statement, all variables and given/known data ∫∫((1/√((x^2)+(y^2)))-μ')dxdy (μ' is a constant)also note the limits on X:0→L, and Y:0→W Solution: 2L*ln((D+W)/L)+2W*ln((L+D)/W)+μ'LW (where D=sqrt((W^2)+(L^2))) 2. Relevant equations n/a 3. The attempt at a solution I can get through the first integration: ∫asinh((L/y)-μ'L)dy Not sure what to do with the arcsinh, maybe express as logarithm?