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Thread: Fractional Equality

  1. March 28th 2011, 01:26 PM #1
    kwikness
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    Fractional Equality

    How does
    1 - \frac{8}{x^3} = \frac{x^3-8}{x^3} ?

    Pretty rusty..
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  2. March 28th 2011, 01:27 PM #2
    e^(i*pi)
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    1 = \dfrac{x^3}{x^3}

    Now they have the same denominator you can subtract
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  3. March 28th 2011, 01:28 PM #3
    kwikness
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