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mpj4

  • one year ago

What is the lcd of something like this?

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  1. mpj4
    • one year ago
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    Specifically the denominator

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  2. mpj4
    • one year ago
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    |dw:1433320499762:dw|

  3. dan815
    • one year ago
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    yeah

  4. mpj4
    • one year ago
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    I mean, I'm trying to partial fraction it, but I don't know what lcd to multiply both sides with, is it just (z-2)(z+2) or all 4?

  5. dan815
    • one year ago
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    okay

  6. dan815
    • one year ago
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    hm

  7. dan815
    • one year ago
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    i think u get 4 partials

  8. mpj4
    • one year ago
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    Ah, ok. I'll try it. Thank you!

  9. dan815
    • one year ago
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    |dw:1433320687330:dw|

  10. mpj4
    • one year ago
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    Hmm. I'll work it out eventually, thanks for the clue :D

  11. dan815
    • one year ago
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    u can also simplify its a little if it helps

  12. dan815
    • one year ago
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    |dw:1433320824918:dw|

  13. mpj4
    • one year ago
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    It actually turned out to be easier to partial fraction it using (z-2)^2(z+2)^2 Sorry to leave you hanging there.

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