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Your working out is incorrect; ln[cos(x)] =/= -sin(x)/cos(x) :p.

congrats

Digitalism - Pogo

Re: Hsc prep Here it comes! Yeah I don't write notes, and I'm doing fairly well.

QFT.

since when did 5 X 3 = 18?

why 18? :confused:

haha I was thinking the same thing :uhhuh:.

Re: 回复: Re: Mathematics Marathon A3 + B3 = (A + B)(A2 - AB + B2) = (A + B)[(A + B)2 - 3AB]

:hammer:

By the polynomial division transformation: P(x) = (x2 - m2)Q(x) + px + q P(m) = pm + q <---- (1) P(-m) = -pm + q <---- (2) (1) + (2): P(m) + P(-m) = 2q => q = [P(m) + P(-m)]/2 (1) - (2): P(m) - P(-m) = 2pm => p = 1/(2m)[P(m) - P(-m)] Someone else can post up...

a4 + b2 + c2 - 2(a2b - a2c + bc) - 2(a2 - b + c) + 1 = a4 + [b2 - 2bc + 2b + c2 - 2c + 1] - 2a2b + 2a2c - 2a2 = a4 + (b - c + 1)2 - 2a2(b - c + 1) = [a2 - (b - c + 1)]2 :wave:

Which one is best for biomedical engineering?

Why would you bother studying for it if you are set on dropping physics? :confused:

Harder 3 unit ---> [complex numbers, volumes, mechanics, conics] ---> [polynomials, graphs, integration]

Is the HSC hard? no.

Re: The 'I CBF TO STUDY/DO WORK AFTER TRIALS' thread ffs ...you are still in year 11. need I say more?

Re: The 'I CBF TO STUDY/DO WORK AFTER TRIALS' thread faaark tell me about it :rolleyes:

tan(35+10) = 1 = (tan 35 + tan 10)/(1 - tan35tan10) &there4; LHS = 1 - tan35tan10 + tan35tan10 = 1 = RHS, as required.

Ice Station, Area 7, Scarecrow, Temple, Contest, Hell Island, Hover Car Racer. In that order. NOTE: Refrain from reading his latest two novels. Appalling :mad1: