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anonymous

  • 5 years ago

3t^3=-81 solve

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  1. anonymous
    • 5 years ago
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    divide

  2. anonymous
    • 5 years ago
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    take the root of 3 on both sides

  3. anonymous
    • 5 years ago
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    ok so in this case we would divide by 3 first... so we get t^3 = -27 now we use cubic root so t * t * t = 27. so if we use cubic root we will find out that t = 3

  4. anonymous
    • 5 years ago
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    since its the root of three you can keep the nagative

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