basicallyintegrating 2x gives x^2
then you do 13^2 - 10^2 = 169 - 100 = 69
... it's not really making it any funnier is it?
(then you do 13^2 - 10^2 = 169 - 100 = 69
... it's not really making it any funnier is it?
charlie?,
Wed 25 Jun 2008, 23:21,
archived)