Find roots of polynomial $$ p(x) = 42x^6+6x^5+20x^4+8x^3+21x^2+18x+6 $$
Answer
The roots of polynomial $ p(x) $ are:
$$ \begin{aligned}x_1 &= -0.4248+0.2371i\\[1 em]x_2 &= -0.4248-0.2371i\\[1 em]x_3 &= -0.2852+0.7717i\\[1 em]x_4 &= -0.2852-0.7717i\\[1 em]x_5 &= 0.6386+0.6956i\\[1 em]x_6 &= 0.6386-0.6956i \end{aligned} $$Explanation
Polynomial $ 42x^6+6x^5+20x^4+8x^3+21x^2+18x+6 $ has no rational roots that can be found using Rational Root Test, so the roots were found using Newton method.
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