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4 February, 15:28

What is the formula of 2AB=2AB

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  1. 4 February, 16:11
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    The only other possible meaning I can see is that a2 + b2 means a^2 + b^2. In the case that is a formula that cannot be simplified further, although it could be written as (a + b) ^2 - 2ab or (a - b) ^2 + 2ab ... Originally Answered: What is the formula of a2+b2?
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