Nine number are taken forming a square an shown in figure.
345101112171819
Find the difference between the product of the diagonal numbers.
22
28
26
24
The difference between the product of the diagonal numbers =
17×5−19×3
=85−57
=28
Nine numbers are taken forming a square as shown in figure.
Find the difference between the of sum of squares of the diagonal numbers.
Consider the following calendar.
The Nine numbers form a square as shown below.
The difference between the product of the diagonal numbers will be equal to
In the given calander, the difference between the product of the diagonal numbers taken for any four numbers forming a square is equal to
681091215121620
Take nine numbers forming a square in a calendar and mark the four numbers at the corners. Then the difference between the product of the diagonal pairs is always ____.
Take nine numbers forming a square in a calendar and mark the four numbers at the corners. Then the difference between the squares of the diagonal pairs is always ____.