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if ax²+bx+c is a quadratic equation. IF two persons A and B are there.if A person wrote the constant term c, wrong, he got roots as 8,2. IF B person wrote the coefficient of x² wrong he got roots as -9,-1.then find the actual quadratic equation and their roots?
if ax²+bx+c is a quadratic equation. IF two persons A and B are there.if A person wrote the constant term c, wrong, he got roots as 8,2. IF B person wrote the coefficient of  x² wrong he got roots as -9,-1.then find the actual quadratic equation and their roots?


4 years ago

Nishant Vora
IIT Patna
2467 Points
							HeyThe quadratic eqn for person A,------------------(1)Comparing this with the standard formwe get,b/a = -10Now the quadratic Eqn for person B is :-In this the leadingcoefficient is wrongComparing this with the standard formwe get, c/a = 9so b = -10a and c= 9aso QE will be

4 years ago
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• Mind Map
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