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I have finished enrolling at sydney uni for medical science this monday and I was wondering if I could change my units of study. For physics i chose the PHYS1002 - Physics 1 (Fundamentals) because I didn't want to choose too hard subjects but after reading the handbook I relized that I...

Hey I need some help with : how to plan an assesment task and where to start.. I really stuffed up my first assesments and I m aiming for a UAI 97+ so I'll be really really stuffed if I get a bad mark on the next assesment task. I got give the assesment today and I have 4 weeks before its...

I m trying to practice writing essays (because I really really suck at it) and I needed some questions for it. Any one have or know where to find good ones~?

Solve z^2 + (1+i)z + 2i = 0, expressing the roots in mod-arg form. If z1, z2 are these roots, prove that |z1| = |z2| = /2 (uh how do you do square root signs..) , and that arg z1 + arg z2 = pie/2 Well this question is really confusing me.. and seems like I m not getting any where.. please...

Q. P is the point (2ap,ap^2) on the parabola x^2 = 4ay. The tangent at P meets the axis of the parabola at T and PN is drawn perpendicular to the axis, meeting it at N. The directrix meets the axis at A. Prove: (i) OS = OA (O is vertex, S the focus) (ii) ON = OT...