Question

Question- Find the common difference of each arithmetic sequence?

Answer 1

for an arithmetic sequence, the next term gets a number ADDED
and so on

so to find the COMMON DIFFERENCE
just subtract the NEXT term by the term before it

Answer 2

\(\bf 3,7,11,15\qquad \textit{common difference }7-3 \ or \ 11-7\ or \ 15-11\)