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  1. S

    Maths Ext 2 Predictions/Thoughts

    oh thought you were talking about the mechanics question but yeah i got something (similar but drawn completely terrible)
  2. S

    Maths Ext 2 Predictions/Thoughts

    did we need to use arctanx to get full marks i just used inverse tan (tan^-1 x)
  3. S

    Maths Ext 2 Predictions/Thoughts

    doesnt include real and imaginary as a line so should be one extra past a+ib and one going negative tanx like for memory
  4. S

    Maths Ext 2 Predictions/Thoughts

    its like a unit circle with 16 lines around and a+ib being on the 3rd from real axis and just above the unit circle for memory
  5. S

    Maths Ext 2 Predictions/Thoughts

    honestly feel this, it just cause the 2020 paper was literally free marks until just q16
  7. S

    Maths Ext 2 Predictions/Thoughts

    yeah believe a=0
  8. S

    Maths Ext 2 Predictions/Thoughts

    just weird i made a displacement eq and when differentiated and rearranged it made the other eq
  9. S

    Maths Ext 2 Predictions/Thoughts

    thought you could only do definite integrals with intial conditions lol
  10. S

    Maths Ext 2 Predictions/Thoughts

    but those werent initial conditions for memory
  11. S

    Maths Ext 2 Predictions/Thoughts

    also how did you do the triangle and hexagon numbers
  13. S

    Maths Ext 2 Predictions/Thoughts

    find what it alternates between
  14. S

    Maths Ext 2 Predictions/Thoughts

    YES, it just worked so perfectly and when it worked i was like surely this is correct and left it
  15. S

    Maths Ext 2 Predictions/Thoughts

    the q16 a) proof though like bro didnt even know the triangle inequality was a 3d proof....
  16. S

    Maths Ext 2 Predictions/Thoughts

    said a=4 since v=8 when x=0 and n=2 for memory. but then again couldve stuffed it
  17. S

    Maths Ext 2 Predictions/Thoughts

    rlly? i got between 7 and -1 then built a displacement function and when differentiated and rearranged made the acc function
  19. S

    Maths Ext 2 Predictions/Thoughts

    i think i did the v^2=n^2(a^2-x^2) for memory
  20. S

    Maths Ext 2 Predictions/Thoughts

    yeah thats what im thinking so i made a tof equation and suybbed in and everything cancelled nice
  21. S

    Maths Ext 2 Predictions/Thoughts

    used sec sub but made sure i used not rounded limits and it ended in fractions for memory
  22. S

    Maths Ext 2 Predictions/Thoughts

    what about the Re(e^ipi/10) = the square root things did yous solve cos5theta=0 then take out an x and solve the quartic/>
  23. S

    Maths Ext 2 Predictions/Thoughts

    same there was partial fractions in it
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