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The fact that we see that they are from the 80s suggest that HSC examiners care less about its subtlety nowadays.

Expand that and make it greater or equal to 0.

That's correct. Think of the quadratic formula: x = \dfrac{-b\pm \sqrt{\Delta} }{-2a} The nature of the roots depend on the discriminant - if the roots are real, what's the restriction on the discriminant? Greater than or equal to 0.

Consider the product of the roots.

If it doesn't affect the integral as a whole you shouldn't, but you should include them. If you're evaluating functions and it happens that you have negative x you'll need to take the absolute values with you.

Re: HSC 2013 4U Marathon Think of why the square root appears.

We'd run out of lectures if we did that.

Oh I see what you meant someth1ng. That's my list of preferences in order.

Yes.. 28

What?

Preferences are currently 1. University of California (Berkeley, LA, SD) 2. University college London 3. University of Bristol ( UK) 4. Chinese university of hong Kong 5. Washington university... But Washington may change Applications haven't even opened yet but outcomes are from January next...

There's a (significant) leap in the proof - how do you just ;know; to go XY = .... ? It's not likely to be tested, but you know the general concepts of the proof. If ever they'd ask for the proof, they'd probably split into 2 parts and then make you deduce it.

You need to go through UAC.

I think its for border entry merits...

Kinda bummed out I won't get to take some subjects next year 2nd semester since ill be on exchange. But I guess I can take those units overseas...and hopefully they match up.

Yeah TSP gives more flexibility.

L0L. I don't think I'll take discrete next year...or will I... INFO1903/1103 MATH2961 MATH2962 !!!! XXXX#### STAT? MATH2969? OR...MATH3065 with Dave Easdown.

IDK it says it in the last chapter of our outline.

MATH1004 has graph theory.

Just a side note, for the ENTRY scholarship you don't usually get an interview. You'll most likely get one for the MERIT, and they sift the rest out there.