Designed for OCR A Level mathematics.

1. Starter Differentiate the following:

2. Objective: to differentiate products

3. The Product Rule Write down the first and differentiate the second plus Write down the second and differentiate the first Gottfried Leibniz (1646 – 1716) Leibniz discovered the Product Rule in November 1675

4. Example 1 Differentiate

5. Example 2 Differentiate

6. Example 3 Find the coordinates of the stationary point on the curve where .

7. Core 3 & 4 Textbook Exercise 10A Page 168 Start on Question 3