Solutions to a Fourth-Degree Inequality
Find the range and graph of the solutions to a quartic inequality.
Quartic Inequality
| \(\\ \hspace{30px} ax^4+bx^3+cx^2+dx+e\ \left\{\begin{array}{1}{\large{\gt0}\\ {\ge0}\\ {\lt0}\\ {\le0}} \end{array}\right.\) |
The roots of equations up to degree four can be found algebraically. This calculator uses Ferrari’s method.
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