the 8th term of an a.p is 5times than third term while the 7th term is 9 greater than 4th term,write the first five terms of the a.p

1 answer

the 8th term of an a.p is 5times than third term
a+7d = 5(a+2d)

7th term is 9 greater than 4th term
a+6d = 9+a+3d

Now just solve for a and d, and then you can write the AP.