Question

Check whether the following sequence is an A.P. or not:
$2,6,10,14,.....$

Answer 1

The given sequence is,
$2,6,10,14,.....$
$\therefore$ Difference, $d=6-2=10-6=14-10=4$

Any two consecutive terms of the given sequence have the same difference.
$\therefore$ The given sequence is an A.P.