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 Odd and Even: Difference of Squares (Posted on 2003-04-16)
Any product of two evens or two odds (sticking just to positives for the purpose of this problem) can be expressed as a difference of two perfect squares. 11*17=187=196-9 is an example.

A: Prove this idea.

B: Come up with a formula that gives the two perfect squares. Call the larger one a and the smaller one b.

 See The Solution Submitted by Gamer Rating: 3.0000 (4 votes)

 Subject Author Date Possible Solution broll 2023-07-13 23:43:58 Solution To The Problem K Sengupta 2007-04-13 23:33:56 Puzzle Solution K Sengupta 2007-04-13 23:27:12 Other uses as well Gamer 2003-04-16 11:15:51 re(2): solution Charlie 2003-04-16 10:18:56 Solution Bryan 2003-04-16 08:51:53 re: solution jennifer 2003-04-16 08:34:01 solution Charlie 2003-04-16 08:29:39 I think I got it. jennifer 2003-04-16 08:07:59 Half of the solution Hank 2003-04-16 08:02:24

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