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

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SUMMARY

The discussion focuses on the summation of the equation B(t)=a * b^t, specifically from t=1 to 321. The user initially attempts to apply the formula \(\sum a * b^t\) but encounters an error in their calculations. The correct formula for this summation, accounting for the starting point of t at 1, is established as \(ab(b^{321} - 1)/(b - 1)\). This correction is crucial for accurate results in geometric series calculations.

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I am trying to Sum the total from the following equation B(t)=a * b^t

So I have [tex]\sum[/tex] 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
 
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The answer you are presenting is for t starting at 0 not 1. The correct result would be:
ab(b321 - 1)/(b - 1).
 
Last edited:

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