if`a=cos(2pi//7)+isin(2pi//7)` , then find the quadratic equation whose roots are `alpha=a+a^2+a^4a n dbeta=a^3+a^5+a^7` .

From the quadratic equation whose roots are -7 and 3//2

Obtain a quadratic equation whose roots are -3 and -7.

If alpha=cos((2pi)/7)+i sin((2pi)/7) then a quadratic equation whose roots are (alpha+ alpha^(2)+ alpha^(4)) and (alpha^(3)+ alpha^(5)+alpha^(6))

If alpha=cos(2 pi)/(7)+i sin(2 pi)/(7) then a quadratic equation whose roots are (alpha+alpha^(2)+alpha^(4)) and (alpha^(3)+alpha^(5)+alpha^(6)) is

Find the quadratic equation in x whose roots are (-7)/(2) and (8)/(3) .

Form the quadratic equation whose roots are 5+2sqrt7 and 5-2sqrt7 .

(cos(pi/6)+isin(pi/6))^7=?

Find the quadratic equation whose roots are reciprocals of the roots of the equation 7x^(2) - 2x +9 = 0 .