also tried mul(f(1-w^n-1),i=3,4,5);

but it would not accept

also tried mul(f(1-w^n-1),i=3,4,5);

but it would not accept

ya i tried to get it by using sum(1-w)^n-1,k=3..5);

doesnt seem right though and i cant see how i could use your hints sorry very new to this

ya i tried to get it by using sum(1-w)^n-1,k=3..5);

doesnt seem right though and i cant see how i could use your hints sorry very new to this