Talk:Quotient rule
From Academic Kids
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Informal proof
Out of curiosity, what exactly is there about the informal proof that makes it informal? Cburnett 23:22, 3 Feb 2005 (UTC)
- I guess it's considered an informal proof because it's based off the product rule, while the "formal" proof is based off the difference quotient, which is more direct. I changed the headings to be more specific. - Evil saltine 05:11, 4 Feb 2005 (UTC)
