Determine the common ratio for each of the following geometric series and determine which one(s) have an infinite sum.

I. 4+5+25/4+…
II. -7+7/4-7/9+…
III. 1/2-1+2…
IV. 4- ++...

A. III only
B. II, IV only
C. I, Ill only
D. I, II, IV only

Determine the common ratio for each of the following geometric series and determine which ones have an infinite sum I 45254 II 77479 III 1212 IV 4 A III only B class=