[Math] Is it possible to find the product of two numbers given their difference

algebra-precalculus

That is, find $a\cdot b$ given the value of $a-b$. Is it possible?

Best Answer

Think about this: 1 and 2 differ by 1. Their product is 2. But also, 1,000,000 and 1,000,001 differ by 1. Is their product also 2?

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