Question

Write the common difference of an A.P. whose nth term is 3n + 5.

Answer 1

Answer:

3

Step-by-step explanation:

nth term=a

n

=3n+5(given)

a

(n−1)

=3(n−1)+5=3n+2

Common difference =d=a

n

−a

(n−1)

=(3n+5)−(3n+2)

=3n+5−3n−2

=3

Therefore, common difference is 3.