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can someone show the working for part 3 of this question please? been stuck for a looooonnnnggg times lol

I saw on page 591 in Cambridge 3unit year 12 textbook for example 25, they used implicit differentiation to solve the question, is this examinable under the new syllabus?

I saw on page 591 in Cambridge for example 25, they used implicit differentiation to solve the question, is this examinable under the new syllabus?

hi guys,is there any good past papers website for 2018 onwards new syllabus?

thanks so much!

can you show this in extended working please?

can someone plz help with solution?

here is a hard one, please have full working out

Thanks, but i was looking for more stuff to do with spheres circles (not sure if planes is in syllabus) that is in the last section of 4unit vectors and struggling to find practice...

Do we just find them just online?

hmm just tried it lol and had no idea how to start...

Does anyone have any vectors worksheet they can share, i don't have anything to practice with other than the textbook(which i guess is the only thing most of us has at the moment...), so was wondering if people from selective schools can share some useful harder questions

also never quite understood difference between strong vs weak induction, any examples to help make sense of this?

If i know the answer i wouldnt have asked lol

is this an HSC question?

Very stuck on b) and c)...

Can you please explain how this following notation make sense? \int\frac{\cos x\ dx}{\sqrt{\sin x}}=\int\frac{d\left(\sin x\right)}{\sqrt{\sin x}} Usually we have dx at the end which means with respect to x, but what does with respect to sinx mean?

thanks for this but yeh I think theres a combinatorics way?

thanks, how about the 2nd one? I have no clue where to begin

Thanks, but are those books only test papers or actually teaching problem solving strategies? Anyways, I was wondering if you can help with the two problems given above?