How many different rectangles are there on a chessboard ? How do I approach the above problem /sci/ ? Not very good with permutations...

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Anonymous Mon Oct 15 11:18:23 2012 No.5157244 [Reply] [Original]

How many different rectangles are there on a chessboard ?
How do I approach the above problem /sci/ ?
Not very good with permutations...

>>	Anonymous Mon Oct 15 11:20:07 2012 No.5157251 File: 9 KB, 459x377, 000000000000000100.png [View same] [iqdb] [saucenao] [google] >>5157244 Remember, a square is considered a rectangle.

>>	Anonymous Mon Oct 15 11:34:07 2012 No.5157288 >>5157251 Yeah I don't think that's going to help much unless I figure out how the thought process should be.

>>	Anonymous Mon Oct 15 11:41:07 2012 No.5157308 What a retarded notation of work that leaves out scalar product. W=int F* dr

>>	Anonymous Mon Oct 15 11:42:38 2012 No.5157313 File: 5 KB, 207x160, 1349883046130.jpg [View same] [iqdb] [saucenao] [google] >>5157288 http://mathforum.org/library/drmath/view/56760.html

>>	Anonymous Mon Oct 15 11:50:52 2012 No.5157329 >>5157313 thank you based god

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