Mitternachtsformel
Question
What formula is called Mitternachtsformel (midnight formula) in German?
Step-by-Step Solution
Verified Answer
The answer is:
$$x_1,_2 = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$$
1Start writing the formula
$$x_1,_2 = $$
2Keep writing the formula
$$x_1,_2 = \frac{-b \pm \sqrt{D}}{2a}$$
3Say what D is
$$D=b^2 - 4ac$$
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