Concept of limit - Definition
- YK Lau
Recall: if for every number , there exists a corresponding number such that for all , . Illustration: 1. Check the box for - challenge for 2. Move on the -axis 3. Use the vertical slider to give different - challenge 4. Use the horizontal slider to adjust so that the - challenge is passed. Observation: For choices or , they fail the - challenge.
Aim: To check that is the limit of at . (i) Uncheck the box for - challenge for (ii) Check the box for - challenge for (iii) Repeat Steps 3 & 4 Observation: For the choice of , the - challenge is passed! So