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How can i easily find the roots of any quadratic equation...in ? and ?

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$Let;p(x)=ax^2+bx+c;is;a;quadratic;equation\* To;find;roots\* p(x)=ax^2+bx+c=0\* we;have;formula;for;it\* x=frac-bpmsqrtb^2-4ac2a\* we;will;get;two;values;from;it;one;for;alpha;and;one;for;eta\* Rightarrow alpha=frac-b+sqrtb^2-4ac2a\*Rightarrow eta= frac-b-sqrtb^2-4ac2a\*Also,;we;hav;relation;that\* Rightarrow alpha imes eta=fracca\* Rightarrow alpha+eta=frac-ba$

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Deependra Verma

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