Show that
1*3^(1) + 2*3^(2) + ... + n*3^(n) = [(2n-1)*3^(n+1) + 3]/4
for every positive integer n.
Printable View
Show that
1*3^(1) + 2*3^(2) + ... + n*3^(n) = [(2n-1)*3^(n+1) + 3]/4
for every positive integer n.
Use mathematical induction.
Ahh, got it, thanks. I followed the same pattern as an example and figured it out :P
