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  1. W

    lost my biology book can anyone help!!

    buy a new one? or make new notes? or download some? =\
  2. W

    complex numbers/polynomial help

    can anyone help me with this? >< the polynomial has the equation P( z) = z^4 -2z^3 +Az^2 + Bz + 10, where A, B are real. Given that 2 + i is a zero of P (z ), find all the roots of P( z) and write P (z ) as a product of two real quadratic factors
  3. W

    HSC Subject Selections

    Prelim: 3u Math 3u English Chemistry Economics Biology HSC: 4u Math Eng Adv Biology Economics Chemistry i think i might drop chem.....:(....... don't really want to tho...
  4. W

    chem: alkanes need help

    =O we haven't even started water...
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