Math Problem Statement

Simplify the expression: \frac{(x^3 \cdot y^{-2} \cdot z^4)^{-2}}{(x^{-1} \cdot y^4 \cdot z^{-2})^3}

Solution

The expression in the image is:

(x3y2z4)2(x1y4z2)3\frac{(x^3 \cdot y^{-2} \cdot z^4)^{-2}}{(x^{-1} \cdot y^4 \cdot z^{-2})^3}

Now, let's simplify the expression step by step:

Step 1: Apply exponent rules inside both parentheses

For the numerator:

= x^{-6} \cdot y^{4} \cdot z^{-8}$$ For the denominator: $$(x^{-1} \cdot y^4 \cdot z^{-2})^3 = x^{-1 \cdot 3} \cdot y^{4 \cdot 3} \cdot z^{-2 \cdot 3} = x^{-3} \cdot y^{12} \cdot z^{-6}$$ ### Step 2: Combine the two fractions Now, we have: $$\frac{x^{-6} \cdot y^{4} \cdot z^{-8}}{x^{-3} \cdot y^{12} \cdot z^{-6}}$$ ### Step 3: Use the property of division of exponents When dividing powers with the same base, subtract the exponents: $$x^{-6 - (-3)} = x^{-6 + 3} = x^{-3}$$ $$y^{4 - 12} = y^{-8}$$ $$z^{-8 - (-6)} = z^{-8 + 6} = z^{-2}$$ ### Final Simplified Expression: $$\boxed{x^{-3} \cdot y^{-8} \cdot z^{-2}}$$ Or equivalently: $$\frac{1}{x^3 \cdot y^8 \cdot z^2}$$ Would you like further details or clarifications? Here are some related questions you might consider: 1. How do exponent rules work in general for multiplication and division? 2. What are the properties of negative exponents? 3. How does fractional exponentiation impact the simplification process? 4. How can I express the result using only positive exponents? 5. What is the difference between simplifying an expression and solving an equation? **Tip:** When simplifying exponents, always keep track of negative signs carefully to avoid mistakes!

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Math Problem Analysis

Mathematical Concepts

Algebra
Exponents
Exponent Rules
Simplifying Expressions

Formulas

Power of a power rule: (a^m)^n = a^{m \cdot n}
Multiplication of powers: a^m \cdot a^n = a^{m+n}
Division of powers: a^m / a^n = a^{m-n}

Theorems

Laws of Exponents
Negative Exponent Rule

Suitable Grade Level

Grades 9-11