If i have a series of natural numbers then how many numbers must be added to this series so that the resulting series is in AP ?
E.g
1,3,7,13
then i need to add 3 numbers i.e 5,9 and 11 so the resulting series is in AP.
If i have a series of natural numbers then how many numbers must be added to this series so that the resulting series is in AP ?
E.g
1,3,7,13
then i need to add 3 numbers i.e 5,9 and 11 so the resulting series is in AP.
Look for the greatest common divison of the first differences.