Posted by help shaikha 3 on Tuesday, August 28, 2012 at 2:04pm.
The equation that has the roots 1, 2, 3 is:
(a) x3 + 6x2 – 11x + 6
(b) x3 – 6x2 + 11x – 6 *
(c) x3 + 6x2 + 11x + 6
(d) x3 – 6x2 – 11x – 6
how ?

math  Steve, Tuesday, August 28, 2012 at 3:02pm
if the roots are 1,2,3, then
(x1)(x2)(x3) = 0
expand to get (b)
By the way, none of the answers as written are equations. the correct answer would be
x^3  6x^2 + 11x  6 = 0
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