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Polynomials, Cubic Equations and Partial Fractions - Cubic Expressions and Equations

Polynomials, Cubic Equations and Partial Fractions - Cubic Expressions and Equations

Secondary 3
  1. Solve the cubic equation \({2x^3 + x^2 - 5x + 2 = 0}\).
  2. Hence, solve the equation \({2(y - 1)^3 + (y - 1)^2 - 5y + 7 = 0}\).

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Answer:(a) x=1,1/2,-2; (b) y=2,3/2,-1.

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