1003085206 | math4u.vsb.cz

SubArea:

Arithmetic sequences

Level:

Project ID:

1003085206

Source Problem:

Accepted:

1

Clonable:

1

Easy:

0

Find the sum of the first $15$ positive terms of the arithmetic sequence: $\left(3n-7\right)_{n=1}^{\infty}$.

$345$

$255$

$238$

$260$

$322$