Question

Find the sum of first term and common difference of the sequence - 3, 0, 3, 6

Answer 1

Common difference
= 0-(-3)
=3
First term is -3
But u did not mention the sum of HOW MANY TERMS!

Answer 2

common difference is known as d and d formula is:-

d = a2-a1

d = 0-(-3)
d= 0+3
d=3

HOPE IT'S HELP YOU