Difference between revisions of "Quadratic equation"
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Latest revision as of 11:51, 9 March 2019
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Contents
[hide]| Quadratic equation | |
| ax2+bx+c=0 |
Information
Only turning point
- ddx[ax2+bx+c]|x=2ax+b
We are interested in the derivative being zero, ie:
- 2ax+b=0
- ⟹2ax=−b
- ⟹x=−b2a Confirmed
