derivative of ln[(1+v)^(1+v)(1-v)^(1-v)]

I know my log rules allow me to rewrite this as ln[(1+v)(1+v)+(1-v)(1-v)] but what I do from there i don't know....
Wolfram says it is ln(v+1)-ln(v-1)but i don't know how to get that...

nevermindddd...problem solved. product rule.