If `alpha,beta` be the roots of `x^2 - x-1 = 0 and A_n = alpha^n +beta^n`, then A. M of `A_(n-1) and A_n`, is

If alpha, beta are the roots of x^(2)-a x+b=0 and A_(n)='alpha'^(n)+beta^(n) , then A_(n+1)=

alpha and beta are the roots of x^2-x-1=0 and S_n=2023 alpha^n 2024 beta^n then

If alpha,beta are the roots of x^(2)-2x+4=0 then alpha^(n)+beta^(n) is

If alpha, beta are the roots of a x^(2)+b x+c=0 and A_(n)=alpha^(n)+beta^(n) , then, a A_(n+2)+b A_(n+1)+c A_(n)=

lf alpha and beta are the roots of the equation x^2-ax + b = 0 and A_n = alpha^n + beta^n , then which of the following is true ?

If alpha and beta are the roots of x^(2)-2x +4=0 then alpha^(n) + beta^(n) is equal to

If alpha, beta arethe roots of the equation x^2-ax+b=0 and A_n=alpha^n+beta^n then which of the following is true? (A) A_(n+1)=aA_n+bA_(n-1) (B) A_(n+1)=bA_n+aA_(n-1) (C) A_(n+1)=aA_n-bA_(n-1) (D) A_(n+1)=bA_n+-aA_(n-1)