1.

If the 8th term of an A.P is 31 and its 15th term is 16 more than the 11th term, find the A.P

Answer»

A+7d =31a+10d+16=a+14d10d+16=14dd=431-7*4= a31-28= aa=33,7,11,15,19,____



Discussion

No Comment Found