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Suppose that a varies inversely with b^2. If a=9 when b=2, find the value of a when b=\(8\).

 Jan 20, 2022
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means    a = k / b^2

  or    a b^2 = k      constant

         (9)(2^2) = 36 

 

        (a) ( 8^2) = 36

         a = 36/64     =   9/16  

 Jan 20, 2022

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