- \sqrt [ n ]{ a*b } =\sqrt [ n ]{ a } *\sqrt [ n ]{ b }
- In plain language, the nth root of a real number is equal to the product of the nth roots of its factor pairs
- Example: \sqrt { 12 } =\sqrt { 4*3 } =\sqrt { 4 } *\sqrt { 3 }
- Application: Simplifying radical expressions