Math Problem Statement
select the correct answer. Solve the equation for x.
2^{(x \ + \ 1)} \ = \ 3^{(-x \ + \ 1)}
x ≈ 1.23
x ≈ 2.34
x ≈ 0.73
x ≈ 0.23
Solution
To solve the equation:
we take the natural logarithm of both sides:
By applying the logarithmic rule , this simplifies to:
Now, expand both sides:
Next, collect the terms involving on one side:
Factor out :
Solve for :
Now, we can calculate the value of . Let me do that.The value of is approximately .
Therefore, the correct answer is:
Do you want any further details or explanations?
Here are 5 related questions to expand on this topic:
- How do you solve logarithmic equations with different bases?
- What is the change of base formula for logarithms?
- Can you explain how to handle exponential equations where the exponents contain variables?
- What are some common logarithmic properties used in equation solving?
- How does the natural logarithm () differ from other logarithms?
Tip: Remember that logarithmic functions are the inverse of exponential functions!
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Math Problem Analysis
Mathematical Concepts
Exponential Equations
Logarithms
Algebra
Formulas
Natural Logarithm: ln(a^b) = b * ln(a)
Exponential Equation Solving: x = (ln(b) - ln(a)) / (ln(a) + ln(b))
Theorems
Logarithmic Properties
Inverse Functions of Exponentials
Suitable Grade Level
Grades 10-12
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