[" Let "alpha" and "beta" are the roots of "],[x^(2)+10x-7=0" .If "a_(n)=alpha^(n)+beta^(n)" for "],[n>=1" then the value of "(a_(12)-7a_(10))/(2a_(11))" is "]

Let alpha and beta be the roots of x^(2)-6x-2=0 with alpha>beta if a_(n)=alpha^(n)-beta^(n) for n>=1 then the value of (a_(10)-2a_(8))/(2a_(9))

Let alpha and beta be the roots of the equation x^(2)-6x-2=0 If a_(n)=alpha^(n)-beta^(n) for n>=0 then find the value of (a_(10)-2a_(8))/(2a_(9))

Let alpha and beta be the roots of equation x^(2)-6x-2=0." If " a_(n)=alpha^(n)-beta^(n)," for "nge1 , "then the value of " ((a_(10))-(2a_(8)))/(2a_(9)) is equal to -

Let alpha,beta are roots of x^(2)+12x-9=0. If a_(n)=alpha^(n)+beta^(n) for n>=1 then the value of sum_(n=1)^(10)((9a_(n)-a_(n+2))/(2a_(n+1)))=

Let alpha and beta the roots of x^(2) -6x -2=0 with alpha gt beta if alpha_(n) alpha^(n)- beta^(n) for n gt 1 then the value of (a_(10) -2ds)/(2a_(p)) is :

Let alpha and beta be the roots of equation x^(2) - 6x -2 = 0 . If a_(n) = a^(n) - beta^(n), for n ge l , then the value of (a_(10) - 2 a_(8))/(2 a_(9)) is equal to :

Let alpha and beta be the roots of x^(2)-5x+3=0 with alpha gt beta . If a_(n) = a^(n)-beta^(n) for n ge1 , then the value of (3a_(6)+a_(8))/(a_(7)) is :

If alpha and beta are the roots of the equation x^(2)-ax+b=0 and A_(n)=alpha^(n)+beta^(n)