2 Written Questions

1. Arithmatic Sum
2. Geometric infinite sum

2 Multiple Choice Questions

1. Geometric series
   1. An=a1+(n-1)d
   2. An=a1R^n-1
   3. S=a1/1-r
   4. Sn=n(a1+an/2)
2. Geometric Sum
   1. S=a1/1-r
   2. An=a1R^n-1
   3. Sn=a1(1-r^n/1-r)
   4. Sn=n(a1+an/2)

1 True/False Question

1. An=a1+(n-1)d → Geometric series
   

   True        False