Math Problem Statement
(log 5base x)^2 - 3log 5base (x) + 2 = 0
Solution
We have the equation:
This is a quadratic equation in terms of . Let's introduce a substitution to simplify the problem:
Let . Then, the equation becomes:
Step 1: Solve the quadratic equation
We can factor the quadratic equation:
Thus, we have two possible solutions for :
So, or .
Step 2: Solve for
Recall that . So, we have:
- If , then , which means .
- If , then , which means .
Final Answer:
The possible values of are:
Would you like a more detailed explanation of any step, or have other questions?
Here are 5 related questions:
- How do logarithmic properties apply to solving equations like this?
- What is the general approach for solving quadratic equations?
- Can you explain how logarithms change when the base changes?
- How do we use logarithmic identities to simplify equations?
- What is the domain of a logarithmic function, and how does it affect possible solutions?
Tip: When solving logarithmic equations, it's often helpful to introduce a substitution for the logarithm to turn it into a simpler algebraic equation, as done here.
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Math Problem Analysis
Mathematical Concepts
Logarithms
Quadratic Equations
Formulas
log_b(x) = y ↔ x = b^y
Quadratic equation formula ax^2 + bx + c = 0
Theorems
Logarithmic properties
Quadratic equation factorization
Suitable Grade Level
Grades 9-11