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 \(4{{x}^{3}}-19{{x}^{2}}+11x+4=0\). Hence, find the real roots of the equation \(4{{x}^{6}}-19{{x}^{4}}+11{{x}^{2}}+4=0\).
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Answer:First equation \(x=1,\ 4,\ -\frac{1}{4}\) Second equation \(x=\pm1,\ \pm2\)
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