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Explain why (a+b)^2 = a^2+b^2 if and only if a=0 or b=0
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Explain why (a+b)^2 = a^2+b^2 if and only if a=0 or b=0

User Steffon
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Hope this helps! Because when you would fill in the variables 0=0 which which make the expression too that they’d equal the same.
Explain why (a+b)^2 = a^2+b^2 if and only if a=0 or b=0-example-1
User WaTeim
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