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What is the condition for a cubic equation of have three real roots??

What is the condition for a cubic equation of have three real roots??

Grade:12

1 Answers

Himanshu
389 Points
5 years ago
For a cubic equation to have three real roots it should have one maxima and one minima and hence to find the conditions find critical points c1 c2 then used f(c1)f(c2)

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