Question

find the eleventh term from the last term of the ap 27,23,...,-65

Answer 1

Reverse the AP.

-65, ..., 23, 27

So, a= -65, d= 27-23= 4, n= 11

an= a + (n-1)d
a11= -65 + (11- 1) 4
= -65 + 40
=-25

Answer 2

so the 11th term from last is -25.....