Let (xn) be a real sequence such that 7xn+1 = x +6 for n2 1. Then which of the following statements is/are TRUE? (A) If xi =;, then {xqn) converges to 1 (B) If x1 =;, then {xn) converges to 2 C)If x =2, then {zn) converges to 1 (D) If x =2, then {x,} converges to-3