Question 693117
Given that log(base 5)of x equals y, express the following in terms of y: 
a. log(base 5)x^2
= 2log5(x) = 2y
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b. log (base 5)(1/x)
= -log5(x) = -y
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c. log (base 25) x
= log(x)/log(25) = log5(x)/log5(25) = y/2 = (1/2)y
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cheers,
Stan H.