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3 + 2 log (base 2) X = log (base 2) y

  1. Feb 5, 2005 #1
    3 + 2 log (base 2) X = log (base 2) y

    how can this show, that y = 8X squared??? Please help! :confused:
     
  2. jcsd
  3. Feb 5, 2005 #2

    arildno

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    Rewrite this equality as follows:
    [tex]2^{(3+2log_{2}x)}=2^{log_{2}y}[/tex]

    Now, use properties of exponents and logarithms to derive the result!
     
  4. Feb 5, 2005 #3
    oh...I SEE....thanx...wasnt that hard :s
     
  5. Feb 5, 2005 #4
    how did u write the numbers (powers) above the normal number btw???
     
  6. Feb 5, 2005 #5

    arildno

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    Click on the image to see the LATEX code behind it.
     
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