2010-04-19, 05:28 PM
slope = (f(1+h)-f(1))/1+h-1
=(3(1+h)^2-3(1)^2)/h
=(3(1+2h+h^2)-3)/h
=(3+6h+h^2-3)/h
=6+h
=(3(1+h)^2-3(1)^2)/h
=(3(1+2h+h^2)-3)/h
=(3+6h+h^2-3)/h
=6+h

