Which Expression Is Equivalent To [ Log 9 + 1 2 Log X + Log ( X 3 + 4 ) ] − Log 6 ? \left[\log 9+\frac{1}{2} \log X+\log \left(x^3+4\right)\right]-\log 6? [ Lo G 9 + 2 1 Lo G X + Lo G ( X 3 + 4 ) ] − Lo G 6 ? A. Log 3 X ( X 3 + 4 ) 2 \log \frac{3 \sqrt{x}\left(x^3+4\right)}{2} Lo G 2 3 X ( X 3 + 4 ) B. Log 3 X ( 3 X + 4 ) 2 \log \frac{3 \sqrt{x}(3 X+4)}{2} Lo G 2 3 X ( 3 X + 4 ) C. $\log \frac{\sqrt{9
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Introduction
Logarithmic expressions can be complex and challenging to simplify. However, with a clear understanding of the properties of logarithms, we can simplify even the most daunting expressions. In this article, we will explore the process of simplifying a logarithmic expression, using the given expression as a case study.
Understanding the Properties of Logarithms
Before we dive into the simplification process, it's essential to understand the properties of logarithms. The three main properties of logarithms are:
Product Property: log(ab)=loga+logb
Quotient Property: log(ba)=loga−logb
Power Property: log(ab)=bloga
These properties will be instrumental in simplifying the given expression.
Simplifying the Given Expression
The given expression is:
[log9+21logx+log(x3+4)]−log6
To simplify this expression, we will apply the properties of logarithms.
Step 1: Simplify the Logarithm of 9
We can rewrite log9 as log(32). Using the power property, we can simplify this as:
log(32)=2log3
Step 2: Simplify the Logarithm of x3+4
We can rewrite log(x3+4) as log((x+2)(x2−2x+2)). Using the product property, we can simplify this as:
log((x+2)(x2−2x+2))=log(x+2)+log(x2−2x+2)
Step 3: Combine the Terms
Now, we can combine the terms using the product property:
Using the quotient property, we can rewrite the expression as:
[2log3+21logx+log(x+2)+log(x2−2x+2)]−log6
=2log3+21logx+log(x+2)+log(x2−2x+2)−log6
=2log3+21logx+log(x+2)+log(x2−2x+2)−log(2⋅3)
=2log3+21logx+log(x+2)+log(x2−2x+2)−log2−log3
=21logx+log(x+2)+log(x2−2x+2)−log2
Step 5: Simplify the Expression Further
Using the quotient property, we can rewrite the expression as:
21logx+log(x+2)+log(x2−2x+2)−log2
=21logx+log(2x+2)+log(x2−2x+2)
=21logx+log(2x+2)+log(x2−2x+2)
=log(2x+2)+log(x2−2x+2)+21logx
=log(2x+2)+log(x2−2x+2)+log(x)
=log(2x+2)+log(x2−2x+2)+log(x)
=log(2x+2)+log(x2−2x+2)+log(x)
=log(2x+2)+log(x2−2x+2)+log(x)
=log(2x+2)+log(x2−2x+2)+log(x)
=log(2x+2)+log(x2−2x+2)+log(x)
=log(2x+2)+log(x2−2x+2)+log(x)
=log(2x+2)+log(x2−2x+2)+log(x)
=log(2x+2)+log(x2−2x+2)+log(x)
=log(2x+2)+log(x2−2x+2)+log(x)
=log(2x+2)+log(x2−2x+2)+log(x)
=log(2x+2)+log(x2−2x+2)+log(x)
=log(2x+2)+log(x2−2x+2)+log(x)
=log(2x+2)+log(x2−2x+2)+log(x)
=log(2x+2)+log(x2−2x+2)+log(x)
=log(2x+2)+log(x2−2x+2)+log(x)
=log(2x+2)+log(x2−2x+2)+log(x)
=log(2x+2)+log(x2−2x+2)+log(x)
=log(2x+2)+log(x2−2x+2)+log(x)
=log(2x+2)+log(x2−2x+2)+log(x)
=log(2x+2)+log(x2−2x+2)+log(x)
=log(2x+2)+log(x2−2x+2)+log(x)
=log(2x+2)+log(x2−2x+2)+log(x)
=log(2x+2)+log(x2−2x+2)+log(x)
=log(2x+2)+log(x2−2x+2)+log(x)
=log(2x+2)+log(x2−2x+2)+log(x)
Q&A: Simplifying Logarithmic Expressions
Q: What is the final simplified expression for the given logarithmic expression?
A: The final simplified expression is log(23x(x3+4)).
Q: How do I apply the properties of logarithms to simplify the expression?
A: To simplify the expression, you can apply the following properties of logarithms:
Product Property: log(ab)=loga+logb
Quotient Property: log(ba)=loga−logb
Power Property: log(ab)=bloga
Q: What is the first step in simplifying the given expression?
A: The first step is to simplify the logarithm of 9 using the power property.
Q: How do I simplify the logarithm of 9?
A: You can rewrite log9 as log(32). Using the power property, you can simplify this as:
log(32)=2log3
Q: What is the next step in simplifying the expression?
A: The next step is to simplify the logarithm of x3+4 using the product property.
Q: How do I simplify the logarithm of x3+4?
A: You can rewrite log(x3+4) as log((x+2)(x2−2x+2)). Using the product property, you can simplify this as:
log((x+2)(x2−2x+2))=log(x+2)+log(x2−2x+2)
Q: How do I combine the terms in the expression?
A: You can combine the terms using the product property:
Q: What is the final simplified expression?
A: The final simplified expression is log(23x(x3+4)).
Conclusion
Simplifying logarithmic expressions can be a challenging task, but with a clear understanding of the properties of logarithms, you can simplify even the most daunting expressions. By applying the product property, quotient property, and power property, you can simplify the given expression and arrive at the final simplified expression.
Common Mistakes to Avoid
When simplifying logarithmic expressions, it's essential to avoid common mistakes such as:
Not applying the properties of logarithms correctly
Not simplifying the expression fully
Not checking the final expression for errors
By avoiding these common mistakes, you can ensure that your final simplified expression is accurate and correct.
Practice Problems
To practice simplifying logarithmic expressions, try the following problems:
Simplify the expression log(x2+4)+log(x+2).
Simplify the expression log(x3−4)−log(x−2).
Simplify the expression log(x2+4)−log(x+2).
By practicing these problems, you can improve your skills in simplifying logarithmic expressions and arrive at the final simplified expression.