If alpha,beta are the roots of the square equation 3x^(2)-5x-7=0, then find the value of 1/(alpha)+1/(beta). , ,

If alpha and beta are the roots of the equation x^(2) -x+7=0 , then find the value of alpha^(2) + beta^(2) .

If alpha, beta are the roots of the equation 2x^2+5x+3=0 , then find the value of beta/alpha + alpha/beta .

If alpha, beta be the roots of the quadratic equation 3x^(2)-6x+4=0 , find the value of ((alpha)/(beta)+(beta)/(alpha))+2((1)/(alpha)+(1)/(beta))+3alpha beta :

If alpha and beta are the roots of the equation x^(2)-x-4=0 , find the value of (1)/(alpha)+(1)/(beta)-alpha beta :

If alpha,beta be the roots of the equation 3x^(2)-6x+4=0, then find the value of ((alpha^(2))/(beta)+(beta^(2))/(alpha))+((alpha)/(beta)+(beta)/(alpha))+2((1)/(alpha)+(1)/(beta))+3 alpha beta

If alpha,beta,gamma are the roots of the equation x^(3)+px^(2)+qx+r=0, then find he value of (alpha-(1)/(beta gamma))(beta-(1)/(gamma alpha))(gamma-(1)/(alpha beta))

If alpha and beta are the roots of the equation x^(2)-7x+1=0 then find the value of (1)/((alpha-7)^(2))+(1)/((beta-7)^(2))