[" Let "alpha," betaand "gamma" are the three distinct roots of ",x-1,-6,2],[-6,x-2,-4],[2,-4,x-6]|=" 0then the value of "

Let alpha,beta "and " gamma are three distinct roots of |{:(x-1,-6,2),(-6,x-2,-4),(2,-4,x-6):}| =0 the value of ((1)/(alpha)+(1)/(beta)+(1)/(gamma))^(-1) is

Let alpha,beta "and " gamma are three distinct roots of |{:(x-1,-6,2),(-6,x-2,-4),(2,-4,x-6):}| =0 the value of ((1)/(alpha)+(1)/(beta)+(1)/(gamma))^(-1) is

Let alpha,beta "and " gamma are three distinct roots of |{:(x-1,-6,2),(-6,x-2,-4),(2,-4,x-6):}| =0 the value of ((1)/(alpha)+(1)/(beta)+(1)/(gamma))^(-1) is

Let alpha,beta "and " gamma are three distinct roots of |{:(x-1,-6,2),(-6,x-2,-4),(2,-4,x-6):}| =0 the value of ((1)/(alpha)+(1)/(beta)+(1)/(gamma))^(-1) is

If alpha, beta and gamma are three ral roots of the equatin x ^(3) -6x ^(2)+5x-1 =0, then the value of alpha ^(4) + beta ^(4) + gamma ^(4) is:

If alpha, beta and gamma are three ral roots of the equatin x ^(3) -6x ^(2)+5x-1 =0, then the value of alpha ^(4) + beta ^(4) + gamma ^(4) is:

If alpha,beta,gamma,delta are the roots of the equation x^(4)+Ax^(3)+Bx^(2)+Cx+D=0 such that alpha beta gamma delta =k and A,B,C,D are the roots of x^(4)-2x^(2)+4x^(2)+6x-21=0 such that A+B=0 then the value of (C)/(A), is

[" If "alpha,beta,gamma" are roots of "],[[x^(3)-x^(2)-1=0" then the value of "],[((1+alpha))/((1-alpha))+((1+beta))/((1-beta))+((1+gamma))/((1-gamma))" is equal to "],[[" (A) "-5],[" (B) "-6]]]

If alpha, beta, gamma, delta are the roots of the equation x^(4)+4x^(3)-6x^(2)+7x-9=0 ,then the value of (1+alpha^(2))(1+beta^(2))(1+gamma^(2))(1+delta^(2)) is