Question

what is the difference in the given series a,2a,3a,4a.....​

Answer 1

Answer:

the difference is a

we can say it

by given partern

Answer 2

Answer:

So the given series is : a, 2a, 3a, 4a....

Now, for difference or to be precise common difference we will simply

subract (n-1)th term from nth term.

i.e. lets take 1st and 2nd term :

so we do : 2a - a

               => a

Therefore the common difference is a.