Recent content by pan90

  1. P

    How to simplify (√3 + 2√5)²

    How? Taken from HiSet free practice test
  2. P

    Why are inverse functions reflections across y = x?

    Can anyone explain the logic behind the answer? Taken from HiSet free practice test
    • pan90
    • Thread
    • Functions Inverse Inverse functions Line Reflection
    • Replies: 1
    • Forum: General Math
  3. P

    Find the cubic equation that has -1 and 2i as roots

    Answer is given, but no explanation or logic for it. From HiSet free practice test
  4. P

    Trigonometric identity problem from HiSet practice test

    We know the answer, but don't know how it makes sense given trigonometric principles. Borrowed from HiSet free practice test
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