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Lakester

  • 4 years ago

(1+1/a)(a/a^2-1) =

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  1. kumar2006
    • 4 years ago
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    {1/a-1}{1/a+1}

  2. mathg8
    • 4 years ago
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    |dw:1334358359529:dw|

  3. mathg8
    • 4 years ago
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    |dw:1334358517940:dw|

  4. Mertsj
    • 4 years ago
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    \[(1-\frac{1}{a})(\frac{1}{a}+1)=1^2-(\frac{1}{a^2})=1-\frac{1}{a^2}\]

  5. Lakester
    • 4 years ago
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    mathg8 how did u get a+1/a from 1 +1/a??

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