Question

Find the 15 th 15th term from the last term last term of the ap. 17 , 26 , 35 , ... , 503

Answer 1

Step-by-step explanation:

17+ (n-1)9= 503

9n =495

n=99

now, 15 th term from last will be 85th term

85th term = 17 + (85-1)9

= 17+765-9

=773

so 15th term frim last is = 773