Asked by Caylan
use the rational zeros theorem to find all the real zeros of the polynomial. Use the zeros to factor f over the real numbers.
f(x)=2x^3-x^2+2x-1
f(x)=2x^3-x^2+2x-1
Answers
Answered by
drwls
One root is x = 1/2, so one factor is x - 1/2
Divide f(x) by x - 1/2 to yield a quadratic equation
2x^2 + x +2 = 0
that will provide the other two roots.
Divide f(x) by x - 1/2 to yield a quadratic equation
2x^2 + x +2 = 0
that will provide the other two roots.
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