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    (Original post by thelegend99)
    How was the Mod Root 5?
    Z = -1 + 2i, so modulus of z was root(1+4)
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    Paper was p*ss, but the candidate number didn't have enough boxes for my mobile? Did they want that to text me my grade???
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    (Original post by thelegend99)
    Wasn't the Modulus 5? Cause the imaginary part was 0, and the real part was (-5). :/ not sure now.
    not sure, i think z = -1 + 2i or something, so it was pythag on that for root 1^2 +2^ hence root 5
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    for the show that the point A is (-5/p + 5p, 5/p -5p), I started to try and solve for x, but got stuck, but did most of the correct method for it until right at the end I couldn't get rid of one constant, but used their value of X to find y, how many marks out of the 3 would this get me?
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    Definitely harder than usual, but not impossible.

    Here are a few of my answers that I can remember:

    k = +/-\sqrt2/2
    12.468
    a = 38, b = 15, c = 1
    p = -4, q = 8 (there was more than one question with p and q)
    135 degrees anticlockwise
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    (Original post by TH3-FL45H)
    Anyone remember how many marks the last two parts of 9 were worth?

    Think I lost all them marks but got the rest the paper

    For the first proof by induction is it alright if I didn't do the step shown in the pic?

    Attachment 535197
    Both were 3 marks
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    first question, k was +-1/root2
    for the newton raphson, it was 12.468 (I think)
    I remember p was -4 and q was 8 in one question.
    For the matrix transformation I put 135 degrees anticlockwise
    for x co-ordinate of M I got 15root2/4 or 15/2root2
    Mod z I got root5, argZ I got 2.03
    cant remember any more..
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    Does anyone know if there's an unofficial mark scheme? I know my teachers said they can't see it until tomorrow
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    (Original post by veldt127)
    Very reasonable paper, I would expect standard boundaries
    f*** you
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    (Original post by LewisClothier)
    not sure, i think z = -1 + 2i or something, so it was pythag on that for root 1^2 +2^ hence root 5
    I also got z = -1 + 2i, so |z| = \sqrt5
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    (Original post by TH3-FL45H)
    Anyone remember how many marks the last two parts of 9 were worth?

    Think I lost all them marks but got the rest the paper

    For the first proof by induction is it alright if I didn't do the step shown in the pic?

    Attachment 535197
    I did the exact same as you on the induction, realised it needed to be -2k -3 to be able to be factorised to (k+1)^2 for it to cancel with the bottom, just didn't write out that step, let's hope that's fine!
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    (Original post by ombtom)
    Definitely harder than usual, but not impossible.

    Here are a few of my answers that I can remember:

    k = +/-\sqrt2/2
    12.468
    a = 38, b = 15, c = 1
    p = -4, q = 8 (there was more than one question with p and q)
    135 degrees anticlockwise
    Few I got that
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    How did you guys get a number as the midpoint I got 5p-1/2p
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    How do you prove T is self inverse? Was detT = -1
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    (Original post by LewisClothier)
    I did the exact same as you on the induction, realised it needed to be -2k -3 to be able to be factorised to (k+1)^2 for it to cancel with the bottom, just didn't write out that step, let's hope that's fine!
    I did that as well! I got so confused as I don't know if you can do that. Hopefully we'll get the marks though
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    (Original post by Zonaid Zaki)
    k=5
    How? It's the first time i've seen such a question.
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    Do we get any marks for error carried forward? (So if we got the wrong value for a but used our value correctly on the questions after)
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    (Original post by Person18)
    I did that as well! I got so confused as I don't know if you can do that. Hopefully we'll get the marks though
    Mathematically it is correct. I just don't know if the examiners want that step that we missed out.
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    (Original post by ombtom)
    I also got z = -1 + 2i, so |z| = \sqrt5
    awesome, i just saw someone put 2.03, but it's 2.23, i think they just remembered it wrong
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    (Original post by TH3-FL45H)
    Anyone remember how many marks the last two parts of 9 were worth?

    Think I lost all them marks but got the rest the paper

    For the first proof by induction is it alright if I didn't do the step shown in the pic?

    Attachment 535197
    5 marks each, 10 marks all together, got all 10 marks lol but took me ages after my mind was destroyed in the last question
 
 
 
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