Math Problem Statement

\frac{\left(2\ X^{\ _{-4}}\cdot Y^{3}\right)}{x^{-5}y^{5}\cdot X^{2}y^{3}}^{5}

Solution

To simplify the expression

(2X4Y3)x5y5X2y35\frac{\left(2X^{-4} \cdot Y^3 \right)}{x^{-5} y^5 \cdot X^2 y^3}^5

we'll go through the following steps:

Step 1: Simplify the Base of the Fraction Inside the Parentheses

The base expression inside the parentheses is:

2X4Y3x5y5X2y3\frac{2X^{-4} \cdot Y^3}{x^{-5} y^5 \cdot X^2 y^3}

Separate Each Component

  1. For XX:

    • In the numerator: X4X^{-4}
    • In the denominator: X2X^2
    • Combining the exponents: X42=X6X^{-4 - 2} = X^{-6}
  2. For YY:

    • In the numerator: Y3Y^3
    • In the denominator: y5y3=y8y^5 \cdot y^3 = y^8
    • Combining the exponents for YY: Y38=Y5Y^{3 - 8} = Y^{-5}
  3. For the constant 2:

    • The constant 2 remains in the numerator.

So, the expression inside the parentheses simplifies to:

2X6Y51=2X6Y5\frac{2 \cdot X^{-6} \cdot Y^{-5}}{1} = 2X^{-6}Y^{-5}

Step 2: Apply the Exponent of 5

Now we need to raise the entire simplified expression to the power of 5:

(2X6Y5)5(2X^{-6}Y^{-5})^5

Using the power rule (ab)n=anbn(a \cdot b)^n = a^n \cdot b^n, we get:

  1. 25=322^5 = 32
  2. X65=X30X^{-6 \cdot 5} = X^{-30}
  3. Y55=Y25Y^{-5 \cdot 5} = Y^{-25}

Thus, the expression becomes:

32X30Y2532X^{-30}Y^{-25}

Step 3: Rewrite with Positive Exponents

To express this with positive exponents, we move X30X^{-30} and Y25Y^{-25} to the denominator:

32X30Y25\frac{32}{X^{30}Y^{25}}

Final Answer

The simplified expression is:

32X30Y25\frac{32}{X^{30}Y^{25}}

Would you like further details or have any questions?


Here are 5 related questions to deepen your understanding:

  1. How do you simplify expressions with negative exponents in the numerator and denominator?
  2. What is the general rule for simplifying expressions with variables raised to powers in fractions?
  3. How would the process change if the exponent was negative instead of positive?
  4. How can we verify the solution by substituting specific values for XX and YY?
  5. How would the solution differ if we had additional terms with different variables?

Tip: Remember that applying the power rule to a fraction requires raising both the numerator and denominator terms to that power individually.

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Math Problem Analysis

Mathematical Concepts

Exponentiation
Negative Exponents
Simplification of Rational Expressions

Formulas

Power of a Product Rule: (a \cdot b)^n = a^n \cdot b^n
Power Rule for Exponents: (x^a)^b = x^{a \cdot b}
Division of Exponents with Same Base: x^a / x^b = x^{a - b}

Theorems

Exponent Rules for Simplifying Rational Expressions

Suitable Grade Level

Grades 9-12