→∞0. EXERCISE 7 1 2 3 Determine the sum to infinity for each of these geometric series: 36 + 12 + 4 + ... 1.1 1.2 1.3 1.4 x - 2; 2.1 2.2 3.1 -20-5 1,25 -... 40 20 + 10 - 5+... 12 + 8-. (x - 2)³ 16 For which value(s) of x is the sequence convergent? Determine the sum to infinity if x = 1. 3.2 -27 + 18 (x - 2)² 4 and Consider the geometric series: 45 + 15 + 5 + Does the sequence converge or diverge? Justify your answer. Determine the sum to infinity of the series, if it exists. are the first three terms of a geometric sequence. Unit 4 The sum c​