You can put this solution on YOUR website! logb*4 X^3Y^2/Z^4
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= logb(x^3y^2)-logb(z^4)
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= logb(x^3)+logb(y^2)-logb(z^4)
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= 3logb(x) + 2logb(y) - 4logb(z)
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Cheers,
Stan H.