Subjects algebra

Rational Exponents 1F79D4

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1. The problem is to understand the properties of rational exponents and how they relate to integral exponents. 2. The properties of rational exponents are similar to those of integral exponents but apply when the exponents are fractions (rational numbers). 3. Let $a$ and $b$ be positive real numbers, and $m$ and $n$ be rational numbers. The key properties are: - Product of powers: $$a^m \cdot a^n = a^{m+n}$$ - Quotient of powers: $$\frac{a^m}{a^n} = a^{m-n}$$ - Power of a power: $$(a^m)^n = a^{mn}$$ - Power of a product: $$(ab)^m = a^m b^m$$ - Power of a quotient: $$\left(\frac{a}{b}\right)^m = \frac{a^m}{b^m}$$ 4. These properties hold because rational exponents represent roots and powers, for example, $a^{\frac{m}{n}} = \sqrt[n]{a^m}$. 5. Understanding these properties helps simplify expressions involving fractional exponents and solve equations. 6. Always remember that $a$ and $b$ must be positive real numbers to ensure the roots are defined in the real number system. This explanation covers the main properties of rational exponents as shown in the picture.