STATISTICS | SPEED NOTES | CBSE | CLASS 10 | MATHEMATICS

STATISTICS _ CHAPTER NOTES _ CBSE _ GRADE 10 _ MATHEMATICS.pdf

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When $a \ne 0$, there are two solutions to \(ax^2 + bx + c = 0\) and they are

$$x = {-b \pm \sqrt{b^2-4ac} \over 2a}.$$

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