Q. Expand the logarithm fully using the properties of logs. Express the final answer in terms of logx,logy, and logz.logz5xyAnswer:
Identify Properties: Identify the properties used to expand log(z5xy). We will use the quotient property and the power property of logarithms to expand the given expression. Quotient Property: logb(QP)=logbP−logbQ Power Property: logb(Pk)=k⋅logbP
Apply Quotient Property: Apply the quotient property to the given logarithm.Using the quotient property, we can separate the numerator and the denominator of the fraction inside the logarithm.log(z5xy)=log(y)−log(z5x)
Separate z5 and x: Apply the quotient property again to separate z5 and x. Now we have log(z5x), which is a product inside the logarithm. We can use the quotient property again to separate them. log(z5x)=log(z5)+log(x)
Apply Power Property: Apply the power property to the term log(z5). Using the power property, we can take the exponent out in front of the log. log(z5)=5×log(z)
Substitute Expanded Term: Substitute the expanded term back into the original expression.Now we can replace log(z5x) in our original expression with the expanded terms.log(z5xy)=log(y)−(5⋅log(z)+log(x))
Distribute Negative Sign: Distribute the negative sign to both terms in the parentheses.When we distribute the negative sign, we get:log(z5xy)=log(y)−5×log(z)−log(x)
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