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b) (x^(1/3))3 * (1/x4)

Mathematics

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Answer

x−3x^{-3}

Step-by-step solution

4 steps
  1. Simplify the term (x13)3(x^{\frac{1}{3}})^3 using the rule (am)n=am×n(a^m)^n = a^{m \times n}.

    (x13)3=x13×3=x1=x(x^{\frac{1}{3}})^3 = x^{\frac{1}{3} \times 3} = x^1 = x
  2. Rewrite the expression with the simplified term.

    x×1x4x \times \frac{1}{x^4}
  3. Rewrite 1x4\frac{1}{x^4} using a negative exponent, which is x−4x^{-4}.

    x×x−4x \times x^{-4}
  4. Multiply the terms using the rule am×an=am+na^m \times a^n = a^{m+n}.

    x1×x−4=x1+(−4)=x1−4=x−3x^1 \times x^{-4} = x^{1 + (-4)} = x^{1-4} = x^{-3}

    The simplified expression is:

    x−3x^{-3}
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