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spimentel Group Title

a^4-4096

  • one year ago
  • one year ago

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  1. Rezz5 Group Title
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    {{a -> -8}, {a -> -8 i}, {a -> 8 i}, {a -> 8}}

    • one year ago
  2. spimentel Group Title
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    thats not th problem. its a to the 4th power -4096 it asks to factor it out

    • one year ago
  3. asnaseer Group Title
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    do you know this factorisation?\[a^2-b^2=(a+b)(a-b)\]

    • one year ago
  4. spimentel Group Title
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    yes

    • one year ago
  5. asnaseer Group Title
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    good - so first express your expression as a difference of two squares. then factorise it using this method.

    • one year ago
  6. asnaseer Group Title
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    do you understand?

    • one year ago
  7. spimentel Group Title
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    kool thnks

    • one year ago
  8. asnaseer Group Title
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    yw :) remember you can apply this multiple times. so the first factorisation might lead to another sub-expression which has a difference of two squares.

    • one year ago
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