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How to find the roots of a cubic equation if one root is given

How to find the roots of a cubic equation if one root is given

Grade:12

1 Answers

Rinkoo Gupta
askIITians Faculty 81 Points
10 years ago
let the root x=@ is given then x-@=0 is the factor of given eq.
The remaining factor of eq can be obtained by dividing by (x-@) to the given cubic eq.
after dividing we get a quadratic eq. which can be factorize easily.
Thanks & Regards
Rinkoo Gupta
AskIITians Faculty

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