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Sagot :
Let’s simplify the given mathematical expression step by step.
Given expression:
[tex]\[ \left(\frac{24 x^6}{8 x^4}\right)^{-4} \][/tex]
### Step 1: Simplify the fraction inside the parentheses
First, simplify [tex]\(\frac{24 x^6}{8 x^4}\)[/tex].
1. Simplify the coefficients:
[tex]\[ \frac{24}{8} = 3 \][/tex]
2. Simplify the exponents using the rules for dividing like bases:
[tex]\[ \frac{x^6}{x^4} = x^{6-4} = x^2 \][/tex]
So inside the parentheses, we have:
[tex]\[ 3x^2 \][/tex]
### Step 2: Raise the simplified expression to the power of [tex]\(-4\)[/tex]
Now, we need to raise [tex]\((3x^2)\)[/tex] to the power of [tex]\(-4\)[/tex]:
[tex]\[ (3x^2)^{-4} \][/tex]
Using the rules of exponents:
[tex]\[ (a \cdot b)^n = a^n \cdot b^n \][/tex]
[tex]\[ (3x^2)^{-4} = 3^{-4} \cdot (x^2)^{-4} \][/tex]
Calculate each part separately:
1. [tex]\( 3^{-4} \)[/tex]:
[tex]\[ 3^{-4} = \frac{1}{3^4} = \frac{1}{81} \][/tex]
2. [tex]\((x^2)^{-4}\)[/tex]:
[tex]\[ (x^2)^{-4} = x^{2 \cdot (-4)} = x^{-8} \][/tex]
Putting it all together:
[tex]\[ \frac{1}{81} \cdot x^{-8} = \frac{1}{81 x^8} \][/tex]
### Verify the solution
We are given that the result should be:
[tex]\[ \frac{1}{1296 x^8} \][/tex]
We need to verify whether [tex]\( \frac{1}{81 x^8} \)[/tex] equals [tex]\( \frac{1}{1296 x^8} \)[/tex]. Notice that:
[tex]\[ 81 \times 16 = 1296 \][/tex]
Thus:
[tex]\[ \frac{1}{81 x^8} = \frac{1}{(81 \cdot 16) x^8} = \frac{1}{1296 x^8} \][/tex]
So the final answer simplifies correctly to:
[tex]\[ \boxed{\frac{1}{1296 x^8}} \][/tex]
Given expression:
[tex]\[ \left(\frac{24 x^6}{8 x^4}\right)^{-4} \][/tex]
### Step 1: Simplify the fraction inside the parentheses
First, simplify [tex]\(\frac{24 x^6}{8 x^4}\)[/tex].
1. Simplify the coefficients:
[tex]\[ \frac{24}{8} = 3 \][/tex]
2. Simplify the exponents using the rules for dividing like bases:
[tex]\[ \frac{x^6}{x^4} = x^{6-4} = x^2 \][/tex]
So inside the parentheses, we have:
[tex]\[ 3x^2 \][/tex]
### Step 2: Raise the simplified expression to the power of [tex]\(-4\)[/tex]
Now, we need to raise [tex]\((3x^2)\)[/tex] to the power of [tex]\(-4\)[/tex]:
[tex]\[ (3x^2)^{-4} \][/tex]
Using the rules of exponents:
[tex]\[ (a \cdot b)^n = a^n \cdot b^n \][/tex]
[tex]\[ (3x^2)^{-4} = 3^{-4} \cdot (x^2)^{-4} \][/tex]
Calculate each part separately:
1. [tex]\( 3^{-4} \)[/tex]:
[tex]\[ 3^{-4} = \frac{1}{3^4} = \frac{1}{81} \][/tex]
2. [tex]\((x^2)^{-4}\)[/tex]:
[tex]\[ (x^2)^{-4} = x^{2 \cdot (-4)} = x^{-8} \][/tex]
Putting it all together:
[tex]\[ \frac{1}{81} \cdot x^{-8} = \frac{1}{81 x^8} \][/tex]
### Verify the solution
We are given that the result should be:
[tex]\[ \frac{1}{1296 x^8} \][/tex]
We need to verify whether [tex]\( \frac{1}{81 x^8} \)[/tex] equals [tex]\( \frac{1}{1296 x^8} \)[/tex]. Notice that:
[tex]\[ 81 \times 16 = 1296 \][/tex]
Thus:
[tex]\[ \frac{1}{81 x^8} = \frac{1}{(81 \cdot 16) x^8} = \frac{1}{1296 x^8} \][/tex]
So the final answer simplifies correctly to:
[tex]\[ \boxed{\frac{1}{1296 x^8}} \][/tex]
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