Math Problem Statement
Solve for x and y.{logš„+logš¦2=3logš„3+logš¦3=6
Solution
To solve for and given the system of logarithmic equations:
\log x + \log y^2 = 3 \\ \log x^3 + \log y^3 = 6 \end{cases}$$ we can follow these steps: 1. Use logarithm properties to simplify the equations: - $$\log x + \log y^2$$ can be rewritten as $$\log(x) + 2\log(y)$$ - $$\log x^3 + \log y^3$$ can be rewritten as $$3\log(x) + 3\log(y)$$ So the system becomes: $$\begin{cases} \log(x) + 2\log(y) = 3 \\ 3\log(x) + 3\log(y) = 6 \end{cases}$$ 2. Simplify the second equation by dividing all terms by 3: $$\log(x) + \log(y) = 2$$ 3. Now we have the system: $$\begin{cases} \log(x) + 2\log(y) = 3 \\ \log(x) + \log(y) = 2 \end{cases}$$ 4. Subtract the second equation from the first equation to eliminate $$\log(x)$$: $$(\log(x) + 2\log(y)) - (\log(x) + \log(y)) = 3 - 2$$ $$\log(y) = 1$$ 5. Solve for $$y$$: $$y = 10^1 = 10$$ 6. Substitute $$\log(y) = 1$$ back into the second equation: $$\log(x) + 1 = 2$$ $$\log(x) = 1$$ 7. Solve for $$x$$: $$x = 10^1 = 10$$ Thus, the solutions to the system are: $$x = 10 \quad \text{and} \quad y = 10$$ Do you want details or have any questions? Here are some more questions you might want to ask: 1. What are the properties of logarithms? 2. How do you solve equations involving logarithms? 3. Can you explain how to change the base of a logarithm? 4. What are some real-life applications of logarithmic functions? 5. How do you graph logarithmic functions? **Tip:** When working with logarithmic equations, using properties of logarithms such as product, quotient, and power rules can help simplify the equations and make solving easier.Ask a new question for Free
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Math Problem Analysis
Mathematical Concepts
Logarithms
Equations
Formulas
Properties of logarithms
Theorems
-
Suitable Grade Level
High School
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