11He wants derivation and reasoning, bhaiyyah.
how did you get to this formula for calc the no of squares
no. of squares = n.p + (n-1).(p-1) + (n-2).(p-2) + ... (till the product becums zero)...
given n vertical and p horizontal lines
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UP 0 DOWN 0 0 5
5 Answers
62oh ok... sorry..
See the solution is that when u want to chose squares..
then they can be of side 1 or side length 2 .... so on till min(n,p)
FOr side of length 1 ...
there can be n.p squares..
for side of lenthg 2 .. .there will be (n-1)(p-1)
and so on...
Is this hint sufficient.. (acutally it is much more than a hint!)