Question

Решить уравнение
x^4+11x^3-x^2=0

Answer 1

$x^4+11x^3-x^2=x^2(x^2+11x-1)=0\x^2=0;;to ;;x=0\x^2+11x-1=0\D=121+4=125\x_1=frac{-11-5sqrt3}{2},;;x_2=frac{-11+5sqrt3}{2}$