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  1. C

    ATAR Estimate Please

    Hi, I recently got a very rough estimated ATAR from my school's career advisor but am worried that they were being far too generous and was hoping I could get a second opinion: School Rank (2013)- 270-290 Advanced English- 5/9 Chemistry- 1/13 Physics- 1/14 Maths Extension 1- 1/7...
  2. C

    Roots of Polynomials Q

    I've expanded P(x/m) to get ax4 + bx3m + cx2m2 + dxm3 + em4 = 0, and I know that the next thing I need to do is use the roots m(alpha), m(beta), m(gamma) and m(delta), but what next? What exactly am I verifying?
  3. C

    Roots of Polynomials Q

    Could anyone please explain what to do in this question and why: Use the fourth degree equation ax4 + bx3 + cx2 +dx + e = 0 whose roots are alpha, beta, gamma and delta to verify that the equation P(x/m)=0 has roots m times those of P(x)=0. Thank you!
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