Question

Identify the following series as arithmetic, geometric, both, or neither.

A. arithmetic
B. geometric
C. both
D. neither

Answer 1

\[\sum_{n=1}^{\infty}(3+na)\]

Answer 2

its geometric. . . because 3 is constant. . .

Answer 3

Thanks. This question is similar

Identify the following series as arithmetic, geometric, both, or neither.

3a + 3a² + 3a³ + . . . + 3a^n

Answer 4

The last 3a^n throws me off.

Answer 5

take 3 common oute of series. . . you wil have 3(a+a^2+a^3+.....+a^n)
its a gp again