- #1
CuriousBanker
- 190
- 24
I understand derivatives and I am not trying to be like a stickler or anything, but before manipulating the equation to arrive at a form where we can find a real answer for a derivative, we are left with [f(x+h)-f(x)]/h (where h is delta x I guess as most people write it). Before evaluating it further, if we are taking the limit as h goes to zero...then wouldn't the equation, which once manipulated gives us a reasonable answer, be equal to (0-0)/0 for all derivatives? Why is it that we are allowed to ignore this form and use the manipulated form?
I hope my question was clear, thanks in advance.
I hope my question was clear, thanks in advance.