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  1. O

    Chemistry Exam Predictions/Thoughts

    dont even worry easy up scaling
  2. O

    Math Ext 1 Predictions/Thoughts

    yeah nah u are right just redid it
  3. O

    Math Ext 1 Predictions/Thoughts

    i got that as well, could it be a mistake on NESAs side
  4. O

    Math Ext 1 Predictions/Thoughts

    i realised i forgot to square my root y and root y-1 smh
  5. O

    Math Ext 1 Predictions/Thoughts

    anyone get gradient = -3/2 on the last q used the dumbest method
  6. O

    Math Ext 1 Predictions/Thoughts

    i got fkd on the vector proof 2a.b+(1-k)|b|^2=0
  7. O

    Math Ext 1 Predictions/Thoughts

    something like pi(e^(3/2)-1)
  8. O

    Maths Ext 2 Predictions/Thoughts

    i ended up with a value of theta 70.53<=θ<90
  9. O

    Maths Ext 2 Predictions/Thoughts

    how do u remove time
  10. O

    Maths Ext 2 Predictions/Thoughts

    where did i go wrong
  11. O

    2 mark proof question

    just had another thought, would this work?
  12. O

    Maths Ext 2 Predictions/Thoughts

    u will lose 1 for ecf
  13. O

    2 mark proof question

    RTP: 2^n + 3^n =/= 5^n is it possible to do by induction? any help appreciated thanks
  14. O

    Maths Ext 2 Predictions/Thoughts

    that was easy 4 marks
  15. O

    Maths Ext 2 Predictions/Thoughts

    was this the one for the angles at which r(t).v(t)=0
  16. O

    Maths Ext 2 Predictions/Thoughts

    what did u do
  17. O

    Maths Ext 2 Predictions/Thoughts

    did u struggle on any qs
  18. O

    induction help

    since base case is n=2, it should include first and second term as eddie woo explains in the video
  19. O

    induction help

    hey, just encountered an issue with induction when testing the base case n=2 given n>=2 i thought it was only if n=1 we test the first value 1/2^2, but since n>=2, we test n=2 which includes the first 2 terms 1/2^2 + 1/3^2 but this isn't the case with HSC solutions, eddie woo includes the...
  20. O

    complex number multi HSC 2018

    hi, is it possible to solve this question without finding all 6 roots and converting them to polar? thanks
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