Polynomials, Cubic Equations and Partial Fractions - Cubic Expressions and Equations
Polynomials, Cubic Equations and Partial Fractions - Cubic Expressions and Equations
Secondary 3
- Solve the equation \(2{{x}^{3}}+5{{x}^{2}}-x-6=0\).
- Using your result from (a), solve the equation \(16{{y}^{3}}+20{{y}^{2}}-2y-6=0\).
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Answer:(a) \(x=1,\ -\frac{3}{2},\ -2\) (b) \(y=\frac{1}{2},\ -\frac{3}{4},\ -1\)
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