Question

if the 8th term of AP is zero prove that its 38th term is teiple of its 18th term​

Answer 1

Step-by-step explanation:

ANSWER

T

8

=a+7d=0

⇒a=−7d

T

38

=a+37d

=−7d+37d

=30d

T

18

=a+17d

=−7d+17d

=10d.

Clearly T

38

=3(T

18