Question

If the common difference of AP is 5 then what is the value of a18 - a13:​

Answer 1

Answer:

hope it is helpful for you

Answer 2

Answer:

25

Step-by-step explanation:

Given, the common difference of AP i.e., d = 5

Now, a18 - a13 = a + (18-1) d - [a+(13-1)d] [∵an = a + (n-1)d]

= a + 17 × 5 - a - 12 × 5

= 85 - 60 = 25