Question 14
Given $$x^4+x^3+x^2+x+1=0,$$ find the value of $x^{2021}$.
Treat $x$ as an algebraic or complex number satisfying the equation; a real solution is not assumed. Preserve the printed target exactly. For this edition, enter the simplest expression in terms of $x$, using a lowercase letter, rather than forcing a numerical value.
Treat $x$ as an algebraic or complex number satisfying the equation; a real solution is not assumed. Preserve the printed target exactly. For this edition, enter the simplest expression in terms of $x$, using a lowercase letter, rather than forcing a numerical value.