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  1. E

    Complex Numbers Help :)

    Vertex A of square ABCD is represented by the complex number 5 + 2i and its centre X is represented by 2 + i. Find, in the form a + bi where a and b are real,the complex numbers representing the other three vertices. Thanks in advance for any help!
  2. E

    Temple Books

    This is the first time I buy textbooks online. Just wondering if any of you have purchased textbooks from "Temple Books". (Temple Books) Is it safe to buy textboooks from it? Thanks.
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