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That question 8 circle geometry worth 5 marks was surprisingly easy.

Is this an assignment?

You can talk about those tests, but you could also talk about the other water quality tests that golgo13 mentioned, specifically towards eutrophication, and assess the suitability of those. State disadvantages and disadvantages of each test you speak about and provide a judgement for the...

Typing that up nicer :) E_{k, max} = hf_{incident} - \phi

1. By applying a potential (connecting a power pack or battery) 2. Light is made up of photons each carrying a quanta of energy proportional to frequency, E = hf Also, c = f(lambda), but c is constant, so varying the wavelength will change frequency which changes energy. So putting it all...

I love how all of these links are the first 6 results on Google search (excluding the phet simulation) lol

lol i guess i'm the only one still suffering with a fever, sore throat and runny/blocked nose.

Start now.

The marking of the English papers would be a major pain.

lol schools do no option topics? They're worth 25% in the HSC paper and should be worth the same in your trials. Yes you usually have to follow your teacher as most schools only write/include the option questions for what they have taught (unless you have spoken with your head teacher and have...

Syllabus would probably have changed by then, so you won't be learning 3U but Specialist Mathematics (unconfirmed). Yes those marks do count, only if you are sitting the HSC course and not the preliminary HSC course.

Harry mixes in 3U questions with 2U questions as he teaches 3U students with the same booklets.

I think questions such as differentiating x^x would really frighten 2U students haha.

It's not just something for 4U, it's a technique we occasionally use to makes things easier. Implicit differentiation is just an application of chain rule, and i think it would be applicable to rates of change questions and possible some sketching questions in 3U.

I'm thinking along the lines of manipulating dy/dx expression so that it's in terms of x and y, then differentiate (would need to use implicit) which *may* yield the required equation, depending if you manipulated it correctly.

Oh hey, i think i did meet you. ahahaha m8

With my mind?

Did i?

Gregory-Leibniz series and.. the other was something about sine..

Same equations i got.