New answers tagged concept-motivation
2
votes
How to justify teaching students to rationalize denominators?
When we work with numbers of the form $a+b\sqrt{2}$ (with $a$ and $b$ rational), it is useful to rationalize. For example, to determine that the set of numbers of that form is closed under division. ...
1
vote
Should we avoid indefinite integrals?
Question: What is the function, having $\sin(x)$ as its derivate?
Answer: There are many of them. Here they are (some of them):
Question: So many? But there are resemblances.
Answer: Indeed: they ...
1
vote
Should we avoid indefinite integrals?
I may provide yet a third detailed answer to this question, but I am not ready yet. However, this remark is too long for a comment.
Historically, there was indeed a notion of "indefinite integral&...
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