Q. 12 define s1 = a> 0 and sn+1 = 1 ,n1. which of the following is true? 1 +a (a) if s < -, then {s,,is monotonically increasing and lim s 1 c (b) if s< -, then

Q. 12 Define s1 = a> 0 and sn+1 = 1 ,n1. Which of the following is true? 1 +a (A) If s < -, then {s,,is monotonically increasing and lim S 1 C (B) If s< -, then {s,} is monotonically decreasing and lim s,, = n-oo (C) If s2>-, then {s is monotonically increasing and lim s, : n o (D) If s2>, then {s,} is monotonically decreasing and lim s n-o