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  1. jeffwu95

    CSSA Paper 2 - English Advanced

    yes yes it is
  2. jeffwu95

    CSSA Paper 2 - English Advanced

    ehhhh failed all modules
  3. jeffwu95

    Confused with this trial question

    i think an dilution 10 times would cause a 10 times decrease in hydrogen ion concentration. This would cause an increase in pH by 1
  4. jeffwu95

    conics question

    The tangent at P (acostheta, bsintheta) to the ellipse (x2/a2 +y2/b2=1) cuts the y axis at Q. The normal at P is parallel to the line joining Q to the focus s' . If S is the other focus, show that PS is parallel to the y axis. Thanks in advance
  5. jeffwu95

    help with Integration, please!!

    hey bro ill help, i did this in 3u today
  6. jeffwu95

    Help with Polynomial, please,

    there ya go
  7. jeffwu95

    Help with Polynomial, please,

    jun u noob
  8. jeffwu95

    YO

    YO
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