Mathwords logoReference LibraryMathwords

Second Derivative

Second Derivative

The derivative of a derivative. Usually written f"(x), d squared y over dx squared — Leibniz notation for the second derivative, or y".

 

Example: f(x)=5x³−x²+13x−8; first derivative f′(x)=15x²−2x+13; second derivative f″(x)=30x−2

 

 

See also

Inflection point, second order critical point, second derivative test