1. Calculate the greatest root of 2x^3-4x^2-3x+1=0, to three decimal places.Show all steps

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- November 7th 2009, 07:13 AMshane99Finding the root question
1. Calculate the greatest root of 2x^3-4x^2-3x+1=0, to three decimal places.Show all steps

- November 7th 2009, 08:00 AMgalactus
See here: The Cubic Formula

Plug in your a=2, b=-4, c=-3, d=1 into that cumbersome formula.

Yes, there is a formula (like the quadratic formula) for cubics. It is rather large by comparison, but will work. - November 7th 2009, 01:04 PMmr fantastic