Is...
(1)
... so that...
(2)
Kind regards
1. Find a formula for
1/(1x2) + 1/(2x3)+...+ 1/n(n+1) by examining values for small values of n.
2. prove the formula
-why am I being asked to find a formula? is the summation of all values of n up to i (the formula given) not sufficient?
thanks