Try another version of this question Find the infinite sum of the geometric sequence with `a = 5, r = 2/5` if it exists.Give your answer as an integer or reduced fraction. `S_(oo)=`
Get help: Box 1: Enter your answer as a reduced fraction (like 5/3, not 10/6) or as an integer (like 4 or -2)
Do not enter mixed numbers
Enter DNE for Does Not Exist, oo for Infinity `25/3`