# L’Hopital’s Rule

If a limit yields an indeterminate form 0/0 or €/€, then L’Hopital’s Rule can help us evaluate the limit. In short, L’Hopital’s Rule says if a limit of f(x)/g(x) yields 0/0 or ∞/∞, then you can differentiate both f(x) and g(x), then retake the limit.