Cramer's rules
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The equation of a parabola is:
y = Ax2 + Bx + C
How can I define the parabola that goes through three points (as we used two points for straight lines)? This solution offers help in developing generic formulas for the parabola that goes through (x1, y1), (x2, y2) and (x3, y3)?
It also lists an example situation to apply this new tool.
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Cramer's rules are contextualized in this solution.
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