When is chain rule used?

A. Composite functions को differentiate करने में / To differentiate composite functions

Step 1: Identify the concept: this is chain rule. Step 2: When a function is inside another function such as sin(x²), chain rule is used. Step 3: Remember function inside function means chain rule.

Step 1: concept पहचानें: यह chain rule है। Step 2: जब function के अंदर function हो जैसे sin(x²) तब chain rule उपयोग करते हैं। Step 3: Function inside function means chain rule याद रखें।