Math Problem Statement
Solution
The equation you've provided is:
Step-by-step solution:
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Use the logarithmic property: The property allows us to combine the logarithms on the left-hand side:
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Rewrite the equation: By the definition of logarithms, means that (since ). Thus, we can set the argument of the logarithm equal to 1:
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Solve the rational equation: Multiply both sides by to eliminate the denominator: Rearrange the equation:
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Solve the quadratic equation: Use the quadratic formula to solve : Simplify:
This gives two solutions:
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Check for extraneous solutions: Since logarithms are only defined for positive arguments, we must check that both solutions keep the arguments of the original logarithms positive:
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For : Both arguments are positive, so is valid.
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For : This makes the first logarithmic argument negative, which is invalid. So, is not a valid solution.
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Final Answer:
The only solution is .
Would you like further details or have any questions? Here are some related problems you might find interesting:
- Solve .
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Tip: Always check the domain of logarithmic equations to ensure that the arguments are positive!
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Math Problem Analysis
Mathematical Concepts
Logarithms
Algebra
Quadratic Equations
Formulas
log_b(a) - log_b(c) = log_b(a/c)
log_b(a) = 0 means a = 1
Quadratic formula: x = [-b ± sqrt(b^2 - 4ac)] / 2a
Theorems
Logarithmic properties
Quadratic formula
Suitable Grade Level
Grades 9-12
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