Question

find the sum of first 22 terms of


the AP , 83,_2......​

Answer 1

Answer:

Sn = a+(n-1)d

=83+(22-1)9

=83+189

= 272

Answer 2

Step-by-step explanation:

apply rule n/2×a+(n-1)×d

here n is the no of tern and a is the first term and d is the common difference

by this put the value we find

682