Question

if the summary of any parallel series is 5. what will be a18-a13​

Answer 1

Answer:

$Now, a18 - a13 = a + (18-1) d - [a+(13-1)d] [∵an = a + (n-1)d]= a + 17 × 5 - a - 12 × 5 = 85 - 60 = 25$

Step-by-step explanation: