Question Use the definition of the derivative to show that for the function f(x) = x^2 , f ' (2) = 4
- - - - -- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -- - - - - - - - -- - -- - -- - - - - - -- - - - -
I have reached the point where I have f ' (2) = lim h -> 0 4 + h .
How do I cancel out the h though ?