• Fundamental theorem of calculus
f is continuous at c if and only if for every ε>0 there exists δ>0 such that |x−c|<δ ⇒ |f(x)−f(c)|<ε. ┄ Continuous at c ｢f(x) Ƚx￫c｣ = f(c) ┄ A function f:A￫ℝ is differentiable at c if and only if ｢(f(x)−f(c))/(x−c) Ƚx￫c｣ exists. The value of the limit, c ...
http://qindex.info/i.php?x=9759