<PRE><B>Question 602341</B>
log4(sqrt z/64)
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= (1/2)log(z/64)
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= (1/2)log4(z)-(1/2)log4(64)
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= (1/2)log4(z)-(1/2)3
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= (1/2)log4(z)-(3/2)
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Cheers,
Stan H.
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