Find the nth term formula for each sequence.

MATHEMATICS · Multi-part · CBSE · Mathematics · Arithmetic Progressions · Arithmetic Progressions

Problem

Find the nth term formula for each sequence. (1) 7, 11, 15, 19, ... (2) 3, 8, 13, 18, ... (3) 20, 17, 14, 11, ... (4)

\frac{3}{4}, \frac{7}{5}, \frac{11}{6}, \frac{15}{7}, \dots