Question

In an AP given an =62 ,a= 8, sn=210 find n and d

Answer 1

this is the correct answer

Answer 2

hope it helps . here 6=n n idk if d is right or wrong just put that formula an=a+(n-1)d and recheck it again for your convenience that the "d" i solved is right or not !!

thankyou hope it helps.