Question

8 times the 8th term of AP is equal to seven times its 7 term then what is 15 term

Answer 1

Let the first term be a.

common difference be d.

8(a+7d)=7(a+6d)

=8a+56d=7a+42d

=a+14d=0

So the 15th term is 0.

Hope it helps.

Answer 2

hey frnd....
given that

Hope this helps you ☺ ☺