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anonymous

  • 5 years ago

conjugate of 1 - √3

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  1. anonymous
    • 5 years ago
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    \[1+\sqrt{3}\]

  2. anonymous
    • 5 years ago
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    so conjugate means nothing but the opposite???

  3. anonymous
    • 5 years ago
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    opposite only for the second term

  4. anonymous
    • 5 years ago
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    so what do you do when you rationalize? the denominator?

  5. anonymous
    • 5 years ago
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    you would use the conjugate to rationalize the denominator in a rational function -- meaning a fraction so for example x/(x+3) this fraction would be undefined at -3...but if you multiply by the conjugate top and bottom (x-3)/(x-3) which is a sneaky way of multiplying by one depending on what is really in the numerator it can help cancel out terms ...so far from what I have seen it is used mostly for limit problems\[\lim_{x \rightarrow 4} (\sqrt{x})-2/(x-4)\]

  6. anonymous
    • 5 years ago
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    okay i understand

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