# Worked example: Derivative of âˆš(3xÂ²-x) using the chain rule (K-A)

**Course:**The chain rule: introduction (K-A)**Discipline:**Basic and Health Sciences**Institute:**Khan Academy**Instructor(s):****Level:**School

**Course:**The chain rule: introduction (K-A)**Discipline:**Basic and Health Sciences**Institute:**Khan Academy**Instructor(s):****Level:**School