maths help: complex integrals

[realler]

this is the last question of the assignment... have discussed in a group... still no indea how to get started...

can anyone help pls?

thx

[CartoonKid]

Just change the thing into \frac{Log_e(1+z)}{Log_e(10)} where Log_e is actually ln

[realler]

thanks , CartoonKid!