HSC Stuff > HSC Mathematics Extension 1

Implicit Differentiation

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Wales:

--- Quote from: RuiAce on June 01, 2017, 11:26:15 am ---It's a 4U technique. Your teacher knows.

From memory she's one of them that's happy with its usage in 3U.

--- End quote ---

How about BOSTES/NCEA? Has there ever been a need for it's use in a 3U HSC Paper?

RuiAce:
There has never been a need for it. It only makes things more convenient, as implied in the original post

pikachu975:

--- Quote from: jamonwindeyer on May 28, 2017, 09:32:11 pm ---I'd say it's a fair step above conceptually from applying the chain rule in a basic 2U circumstance - Like, I doubt anyone would know how to do it without being taught it explicitly. Which is why you've got to be careful - It's an atypical/extended method, and would only really be useful in a few circumstances I can think of :)

--- End quote ---

I feel like it's extremely useful when you have like v^2 in terms of t and you gotta find acceleration and it'd be wayyy easier to differentiate implicitly rather than square root then differentiate etc.

RuiAce:


--- Quote from: pikachu975 on June 01, 2017, 03:47:56 pm ---I feel like it's extremely useful when you have like v^2 in terms of t and you gotta find acceleration and it'd be wayyy easier to differentiate implicitly rather than square root then differentiate etc.

--- End quote ---
I have never seen this kind of problem appear in the scope of Extension 1.

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