[" 6."6,beta" are roots of "y^(2)-2y-7=0" find,"],[[" (1) "alpha^(2)+beta^(2)," (2) "alpha^(3)+beta^(3)]]

alpha, beta are roots of y^(2)-2y-7=0 find, (i) alpha^(2)+beta^(2) " (ii) " alpha^(3)+beta^(3)

alpha, beta are roots of y^(2)-2y-7=0 find, (i) alpha^(2)+beta^(2) " (ii) " alpha^(3)+beta^(3)

alpha, beta are roots of y^(2)-2y-7=0 find, (i) alpha^(2)+beta^(2) " (ii) " alpha^(3)+beta^(3)

alpha , beta " are root of " y^2 - 2y - 7 =0 " find " alpha^2 + beta^2

alpha , beta " are root of " y^2 - 2y - 7 =0 " find " alpha^3 + beta^3

alpha,beta are roots of y^2-2y-7=0 . Find alpha^2+beta^2

alpha,beta are roots of y^2-2y-7=0 . Find alpha^3+beta^3

sqrt7y^(2)-6y-13sqrt7=0 :

If alpha and beta are the roots of x^(2)+6x-4=0 , find the value of (alpha-beta)^(2) .

If alpha and beta are the roots of equation 6x^(2)+x-2=0 , find the value of (alpha)/(beta)+(beta)/(alpha) :