Recent content by eriagg

  1. E

    Improve Your Summation Formula with Expert Tips and Tricks | B(t)=a * b^t

    I am trying to Sum the total from the following equation B(t)=a * b^t So I have \sum a * b^t with t=1 to 321 Trying to solve for an equation and getting a(b^(t+1) - 1) / (b-1) Answer is not correct...help