SOLUTION: a * (1/a) = 1 (a 0) i get confused with these formulas

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Question 380932: a * (1/a) = 1 (a 0)
i get confused with these formulas
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
It means whenever you multiply a non-zero number with its reciprocal, the product is always 1. For example, 2%2A%281%2F2%29+=+1, -5%2A%28-1%2F5%29+=+1, %282%2F5%29%2A%285%2F2%29+=+1, etc.