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` .

Form the quadratic equation whose roots are 3+ sqrt7 , 3-sqrt7

Find the quadratic equation whose roots are tan ((pi)/(8)) and tan ((5pi)/(8)) ?

Form the quadratic equation whose roots are 3 + sqrt7, 3- sqrt7

Construct a quadratic equation with roots 7 and -3.

Construct a quadratic equation with roots 7 and -3 .

The quadratic equation whose roots are 3 + sqrt7 , 3 - sqrt7 is __________ .

The roots of the equation x^(2)+6x-4=0 are alpha, beta . Find the quadratic equation whose roots area (alpha^(2)beta) and beta^(2)alpha