`(x-1)^(3) = x ^(3)+1 ` is quadratic equation (T/F)

Check whether the equation (x+1)^(3)=x^(3)+x+6 is a quadratic equation or not.

Is x^(3) - 4x^(2) - x + 1 = (x- 2)^(3) a quadratic equation ?

x+1/x=-2 are quadratic equation ?

If x=-(1)/(2) is a solution of the quadratic equation 3x^(2)+2kx-3=0 , find the velue of k.

If x = k be a solution of the quadratic equation x^(2) + 4x + 3 = 0 , then k = - 1 and

If x_(1) and x_(2) are roots of the quadratic equation 2x^(2)+3x-4=0, then find the quadratic equation whose roots are (2x_(1)+3)^(-2) and (2x_(2)+3)^(-2)

If the roots of a quadratic equation are -1 and 3, then the quadratic equation is

If alpha and beta are the roots of the quadratic equation x^(2) + 3x - 4 = 0 , then alpha^(-1) + beta^(-1) = "_____" .