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Math Help - subject of the formula

  1. #1
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    subject of the formula

    Could anybody please help me make 3 subject of:

    2 to the power of 3 = 8

    thanks

    Noel
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  2. #2
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    Quote Originally Posted by noel camilleri View Post
    Could anybody please help me make 3 subject of:

    2 to the power of 3 = 8

    thanks

    Noel
    3 = \log_2 8

    Grandad
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  3. #3
    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by noel camilleri View Post
    Could anybody please help me make 3 subject of:

    2 to the power of 3 = 8

    thanks

    Noel
    note that a^c = b \Longleftrightarrow \log_a b = c
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  4. #4
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    Grandad,


    thanks very much.

    Noel
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