If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Common difference (intermediate)

You might need: Calculator

Problem

An arithmetic sequence is given as
start fraction, 1, divided by, p, end fraction, comma, start fraction, 1, minus, p, divided by, p, end fraction, comma, start fraction, 1, minus, 2, p, divided by, p, end fraction, comma, dots
Find the common difference (d).
d, equals
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4
  • an exact decimal, like 0, point, 75
  • a multiple of pi, like 12, space, start text, p, i, end text or 2, slash, 3, space, start text, p, i, end text
Stuck?
Stuck?