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anonymous 4 years ago hello. i need help wrapping my mind around lower case delta in calc (limits and such) i just dont know what the numerical value of it mean or which on to use because there are 2 deltas right?

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1. anonymous

$\delta$

2. anonymous

The d with a squiggle, as in your last post, just means 'a little bit of...', whilst d (no squiggle) means 'an infinitely small bit of...' (or 'as d(squiggle)... approaches 0' (ie- gets infinitely small))

3. anonymous

well i know that $\epsilon$ is how accurate you want to be but im not sure what the delta signifies

4. anonymous

So if you travelled 20m in 5 seconds: $\delta(metres)/\delta(seconds)= 20/5$ Delta basically means 'change in' (in this case, distance and time)

5. anonymous

|dw:1328477080426:dw| zooming in to infinitely small on the triangle: |dw:1328477155733:dw|

6. anonymous

*or zooming in to anywhere else on the line

7. anonymous

i thought that was $\Delta$

8. anonymous

http://en.wikipedia.org/wiki/Delta_(letter) Same thing.

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