Question

the value of a 25 - a
13 for the AP - 9 - 14 - 19 is

Answer 1

Answer:

Step-by-step explanation:

The A.P is 9,14,19

a=9;d=5

a25-a13

=a+24d-a-12d

a gets cancelled

=24d-12d

=12d

=12(5)

=60