Given a = 2275, B = 2544, then the value of (a + b) 2 - (a-b) 2 is______ ． | Math enthusiast | Mathematical art

Given a = 2275, B = 2544, then the value of (a + b) 2 - (a-b) 2 is______ ．

The original formula = [(a + b) + (a-b)] [(a + b) - (a-b)] = 4AB, when a = 2275, B = 2544, the original formula = 4 × 2275 × 2544 = 23

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