1. **State the problem:** We want to analyze the function $$f(x) = \frac{x^{\frac{3}{2}} + 1}{x^{\frac{1}{2}} - x}$$ and simplify or understand its behavior.
2. **Rewrite the function using radicals:** Recall that $$x^{\frac{1}{2}} = \sqrt{x}$$ and $$x^{\frac{3}{2}} = x \cdot \sqrt{x}$$. So,
$$f(x) = \frac{x \sqrt{x} + 1}{\sqrt{x} - x}$$.
3. **Factor the denominator:** Notice that $$x = (\sqrt{x})^2$$, so
$$\sqrt{x} - x = \sqrt{x} - (\sqrt{x})^2 = \sqrt{x}(1 - \sqrt{x})$$.
4. **Rewrite the numerator:** The numerator is $$x \sqrt{x} + 1 = (\sqrt{x})^3 + 1$$.
5. **Recognize the numerator as a sum of cubes:** Since $$a^3 + b^3 = (a + b)(a^2 - ab + b^2)$$, with $$a = \sqrt{x}$$ and $$b = 1$$,
we have
$$ (\sqrt{x})^3 + 1^3 = (\sqrt{x} + 1)(x - \sqrt{x} + 1) $$.
6. **Rewrite the function using these factorizations:**
$$f(x) = \frac{(\sqrt{x} + 1)(x - \sqrt{x} + 1)}{\sqrt{x}(1 - \sqrt{x})}$$.
7. **Simplify the denominator:** Note that $$1 - \sqrt{x} = -(\sqrt{x} - 1)$$, so
$$f(x) = \frac{(\sqrt{x} + 1)(x - \sqrt{x} + 1)}{\sqrt{x} \cdot -(\sqrt{x} - 1)} = - \frac{(\sqrt{x} + 1)(x - \sqrt{x} + 1)}{\sqrt{x}(\sqrt{x} - 1)}$$.
8. **Final simplified form:**
$$f(x) = - \frac{(\sqrt{x} + 1)(x - \sqrt{x} + 1)}{\sqrt{x}(\sqrt{x} - 1)}$$.
This form helps analyze the function's behavior, domain restrictions (e.g., $$x \geq 0$$ and $$\sqrt{x} \neq 1$$), and asymptotes.
**Answer:** $$f(x) = - \frac{(\sqrt{x} + 1)(x - \sqrt{x} + 1)}{\sqrt{x}(\sqrt{x} - 1)}$$
Fractional Exponents
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