Find roots of polynomial $$ p(x) = 6x^7-100x^6+4x^5+2x^4+7x^3+9x^2+x+3 $$
Answer
The roots of polynomial $ p(x) $ are:
$$ \begin{aligned}x_1 &= -0.5827\\[1 em]x_2 &= 0.7059\\[1 em]x_3 &= 16.6251\\[1 em]x_4 &= 0.1714+0.471i\\[1 em]x_5 &= 0.1714-0.471i\\[1 em]x_6 &= -0.2122+0.496i\\[1 em]x_7 &= -0.2122-0.496i \end{aligned} $$Explanation
Polynomial $ 6x^7-100x^6+4x^5+2x^4+7x^3+9x^2+x+3 $ has no rational roots that can be found using Rational Root Test, so the roots were found using Newton method.
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