using factor theorum factorise : 3x^3-x^2-3x+1 – InterviewSolution

1.	using factor theorum factorise : 3x^3-x^2-3x+1
Answer» -1 and -1/3 is a root of this quadratic equation .3t^2+4t+13t^2+3t+t+1(3t+1)(t+1)thus this is equal to (x-1)^2*(3x+1)

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