$\displaystyle 5x^3-x+2$ Does this polynomial have multiple roots? How would I check if a polynomial has multiple roots or not?
Follow Math Help Forum on Facebook and Google+
Only one root... use calculus theorems...
If $\displaystyle f(x) = x^3+px+q$, then the discriminant $\displaystyle \Delta = -4p^3-27q^2$.
View Tag Cloud