The 2nd, 4th and 6th terms of a sequence are ( 3 2 , 1 2 , - 1 2 ) respectively

MATHEMATICS · Subjective · CBSE · Mathematics · Arithmetic Progressions · Arithmetic Progressions

Problem

The 2nd, 4th and 6th terms of a sequence are

\frac{3}{2}, \frac{1}{2}, -\frac{1}{2}

respectively. (i) Verify whether the sequence is an arithmetic progression. (ii) If it is, find its first term and common difference.