- #1

amaresh92

- 163

- 0

whats the summation of a^n for a>1 over summation n=0 to N

thanks.

thanks.

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- Thread starter amaresh92
- Start date

- #1

amaresh92

- 163

- 0

whats the summation of a^n for a>1 over summation n=0 to N

thanks.

thanks.

- #2

DonAntonio

- 606

- 1

whats the summation of a^n for a>1 over summation n=0 to N

thanks.

Hint: for [itex]\,r\neq 1\,[/itex] a constant, we have

$$\sum_{n=0}^mr^n=\frac{r^{m+1}-1}{r-1}$$

DonAntonio

- #3

Simon Bridge

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