| CHEVO0001 | Turning points |
| CHEVO0002 | Turning Points and Stationary points |
| CHEVO0003 | Differentiation - Nature of turning points and inflexion |
| CHEVO0004 | The theory of using differentiation to find the nature of turning points |
| CHEVO0005 | Nature of turning points practice 2 |
| HAREP The Horn of Africa Research and Knowledge Exchange Platform © 2010-2012 |
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