Find roots of polynomial $$ p(x) = 5x^4+4x^3+3x^2+2x+1 $$
Answer
The roots of polynomial $ p(x) $ are:
$$ \begin{aligned}x_1 &= 0.1378+0.6782i\\[1 em]x_2 &= 0.1378-0.6782i\\[1 em]x_3 &= -0.5378+0.3583i\\[1 em]x_4 &= -0.5378-0.3583i \end{aligned} $$Explanation
Polynomial $ 5x^4+4x^3+3x^2+2x+1 $ has no rational roots that can be found using Rational Root Test, so the roots were found using quartic formulas.
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