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Revision sheet

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Revision sheet · Mathematics

Quadratic equations

The quadratic formula: $x = \frac{- b \pm b ^{2} - 4 a c}{2 a}$
The discriminant (how many real roots): $D = b^{2} - 4 a c$

Rewritten from the NCERT and NIOS textbooks for easier learning. All courses · Credits

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