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  1. B

    atar estimate please

    school rank is ~80 Adv English: 19/63 Math ext 1: 1/44 Math ext 2: 3/19 Chemistry: 1/50 Physics: 1/63 thanks :)
  2. B

    Cubic Identities

    I know the answer but I just can't seem to get it. Please help! Question is found in Yr 11 Cambridge Maths 3U book, Exercise 1E, Q16 (pg 12) Simplify (1+a)^2/[1+(a/(1-a+(a/(1+a+a^2)))] This is the image of the question. Any help is appreciated. Thanks
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