3 years ago

Identify the series 2 + 5 + 8 + 11 + 14 + . . . as arithmetic, geometric or neither.

Mathematics

2 answers:

rusak2 [61]3 years ago

4 0

2, 5, 8, 11, 14 is an arithmetic sequence

$a_1=2;\ d=3;\ a_n=2+(n-1)\cdot3=2+3n-3=3n-1$

nignag [31]3 years ago

3 0

Answer:

Arithmetic Series

Step-by-step explanation:

We are given a series 2 + 5 + 8 + 11 + 14 + . . .

We need to choose which series this one.

For geometric: The common ration is equal.

For arithmetic: The common difference is equal.

Series: 2 + 5 + 8 + 11 + 14 + . . .

Common difference : 5 - 2 = 8 - 5 = 14 - 11 = 3

Here, The common difference is equal.

Hence, The series is arithmetic.

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