Find roots of polynomial $$ p(x) = 42x^6-12x^5+20x^4+8x^3+21x^2+12x+10 $$
Answer
The roots of polynomial $ p(x) $ are:
$$ \begin{aligned}x_1 &= -0.069+0.7295i\\[1 em]x_2 &= -0.069-0.7295i\\[1 em]x_3 &= -0.5075+0.4184i\\[1 em]x_4 &= -0.5075-0.4184i\\[1 em]x_5 &= 0.7193+0.7126i\\[1 em]x_6 &= 0.7193-0.7126i \end{aligned} $$Explanation
Polynomial $ 42x^6-12x^5+20x^4+8x^3+21x^2+12x+10 $ has no rational roots that can be found using Rational Root Test, so the roots were found using Newton method.
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