Descartes rule only tells the number of +ve or -ve roots of an equation on the basis of change of signs. It does not tell whether an equatiion has real roots or not?
The quality of a person's life is in direct proportion to their commitment to excellence, regardless of their chosen field of endeavor.
It is during our darkest moments that we must focus to see the light.
Check out my blog at:
http://tarinbansal.blogspot.com/
Posts:
Can marks really judge a student??
Some myths about Chemical Engineering.
(A must see for every student)
Moderation Team
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