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keana

  • 2 years ago

Find the exact value of the radical expression in simplest form.√s^8+√25s^8+2√s^8-√s^4 a: 8s^4 b: 28s^4√s c: 8s-s d: 28s^4√s-s^4

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  1. allank
    • 2 years ago
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    I'd start by shifting all the perfect squares out of the radicals to get: s^4+5s^4+2s^4-s^2

  2. ghazi
    • 2 years ago
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    8s^4-s^2

  3. KNicksfan4life
    • 2 years ago
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    I think it is A

  4. allank
    • 2 years ago
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    Hmm...but A doesn't have the -s^2 part. I wonder why.

  5. allank
    • 2 years ago
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    @keana is A exactly as you have written it?

  6. keana
    • 2 years ago
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    @allank yep

  7. allank
    • 2 years ago
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    Well, I'm for 8s^4-s^2 as the simplest form of the expression. Maybe the question setter made a typo? These things happen :)

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