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Thanks everyone! Does anyone know if we're allowed to use implicit differentiation in an extension one paper?

Thanks Btw do you need implicit differentiation? Because I haven't learnt that. Another method is appreciated.

Whoaa congrats on your 150 Atar!!

LOL stalkers

Still didn't get it, can you please show me? :)

How do you get the equation for b? What do you use? Like y = y, but I don't know which one. Thanks

A wire of length L is available for making a circle and a square. How should the wire be divided between the 2 shapes to maximise the sum of the enclosed area? Please help ,thanks

How do you get the equation for this? And then can you please derive it? im not getting it :( a man in a boat B, 25m from the nearest point A, on a straight shore, wants to reach a point C, ,50 m from A along the shore, in the least time. he can row at 4m/s and walk 6m/s. Where should he...

How do you do b and c. For b the answer is no values, why?

Thank you very much! :) Are there any other case studies? Surely I should know another one yeah?

Wow nice congratulations!!! :)

Whaaaat now I'm really confused?! This thing was from Terry Lee. There is actually a chapter on implicit diff in Cambridge but it says Extension or something. @QZP, were you ever tested in an exam on it?

Wow thanks man!! So you're certaini that this wont be tested in MX1 exams yeah? It was in a MX1 textbook - odd..

I can't make y the subject, it comes out as like x^2= (7-y^2)/(1-y)

WHOa ok I've never done this before, can you please show me the method?sorry

Yep extension 1 and sorryr yeah I meant differentiate

x^2 +y^2 -x^2y=7 Driving me nuts! :mad3:

Haha yep I used to make all these fancy timetables and I NEVER (Not once) did I completely stick to it! Now I'm just like screw that shit I'm gonna actually study and not bother with timetables. I Just wrote down the main tasks I need to do in the holidays like mini assignments and homework...

Which businesses should I know? My school gave us Crumpler and Billabong. Billabong is alright but like Crumpler? Seriously? Can I just do QANTAS? Are there any study guides out there which I could use to consolidate my knowledge on a Business? Tha nkns

See the next attachment, not this one thanks