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  1. M

    Complex numbers

    https://imgur.com/qR5onWY Help please. Where does W and Alpha come from?
  2. M

    Further curve sketching

    Thank you so much, i really appreciate it. Understood everything except for the last one. I'm a little confused
  3. M

    Further curve sketching

    Hi, could anyone please explain the reasoning to these sketches. I don't feel satisfied just memorising them, without knowing how they really work y = -f(x) --> just change the y-coordinate of every point on the function y = f(x), i.e flip f(x) about the x-axis y = f(-x) --> change the...
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