7) Write a formula for the nth term of a and determine its limit (if it exists). n 1 1 1 1 1 1 A) {1, - - - - , - } > 2 3 4' 5 6 '7' 8) Determine whether the sequence converges and, if it does, find its limit. A) a n = B) {1, 5, 1, 5, 1, 5, 1, 5, 1, ...} 3n-2 7n+5 B) an B) a = 2 2