Question

find the 27th term of following A. P. =13,26,39,52,........​

Answer 1

Answer:

d=26-13 =13

a+n-1=15

so ans is 15

Answer 2

Answer:

ans. 91

Step-by-step explanation:

a=13, d=13

An= a+(n-1) ×d

A27=13+(27-1)×13

= 13+26×3

=13+78

=91.