Question

Find the eleventh term of an Ap,27, 23,19​

Answer 1

Step-by-step explanation:

given a= 27

n= 11

d= a2-a1

= 23-27=-4

we know that

an= a+(n-1) d

substituting the value we get

= 27+(11-1)(-4)

=27+10(-4)

= 27-40

= -13