Which differentiation rule is needed for y=x2sinxy=x^2\sin xy=x2sinx, and why?
A
9x2−8x9x^2-8x9x2−8x
B
In general, ddx(uv)≠dudxdvdx\boxed{\dfrac{d}{dx}(uv)\neq\dfrac{du}{dx}\dfrac{dv}{dx}}dxd(uv)=dxdudxdv.
C
It includes the change caused by each factor.
D
Use the product rule because two functions of xxx are multiplied.
1.9.12 Product rule (A-level only) Flashcards
Flashcards for OCR (MEI) A Level Maths 1.9.12 Product rule (A-level only), covering the key formulae, methods and definitions you need to recall for Component 01, Component 02 and Component 03. 22 cards, matched to the OCR (MEI) A Level Maths (H640) specification. Recall questions account for roughly 50% of marks at A Level Maths, so these target the marks you can secure before the paper starts.