This is a one of the coolest videos about arithmetic sequence, it has a very clear explanation about the arithmetic sequence formula and also more than one example which would help the viewer to learn this formula and its implementation in a easier way. This video is a also very helpful for the people who appear for interview since it is a very basic formula that every science student must remember.
This also helps the viewer to grasp the concept and use the formula whenever he needs it. This is an interesting formula through which you can calculate any number from any part of a sequence. This is a must see video for all people who are having problem with number sequences.