Find all the roots of the equation
` x^(11) - x^(7) + x^(4) - 1 = 0`

Find the roots of the equation x^2+7x-1=0

Find the roots of the equation x^2+7x-1=0

All the roots of the equation x^(11) - x^(6) - x^(5) + 1 = 0 lie on a circle of radius __________.

Find the roots of the equation x^2+7x+10=0 .

Find all roots of the equation x^(6)-x^(5)+x^(4)-x^(2)+x-1=0.

find the sum of squares of all roots of the equation. x^(8) - x^(7) + x^(6) -x^(5) + x^(4) -x^(3) +x^(2)-x + 1 =0

find the sum of squares of all roots of the equation. x^(8) - x^(7) + x^(6) -x^(5) + x^(4) -x^(3) +x^(2)-x + 1 =0