Table of contents
- 0. Review of Algebra4h 16m
- 1. Equations & Inequalities3h 18m
- 2. Graphs of Equations43m
- 3. Functions2h 17m
- 4. Polynomial Functions1h 44m
- 5. Rational Functions1h 23m
- 6. Exponential & Logarithmic Functions2h 28m
- 7. Systems of Equations & Matrices4h 6m
- 8. Conic Sections2h 23m
- 9. Sequences, Series, & Induction1h 19m
- 10. Combinatorics & Probability1h 45m
0. Review of Algebra
Radical Expressions
1:31 minutes
Problem 53d
Textbook Question
Textbook QuestionUse the rules for radicals to perform the indicated operations. Assume all variable expressions represent positive real numbers. ∜ m² • ∜ m²
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Radical Expressions
Radical expressions involve roots, such as square roots or fourth roots, and are represented using the radical symbol (√). In this context, ∜m² denotes the fourth root of m squared. Understanding how to manipulate these expressions is crucial for performing operations like multiplication and simplification.
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Properties of Exponents
The properties of exponents govern how to handle expressions involving powers. For instance, when multiplying like bases, you add the exponents. In the case of radicals, the expression ∜m² can be rewritten using fractional exponents, specifically m^(2/4) or m^(1/2), which aids in simplifying the operation.
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Multiplication of Radicals
When multiplying radical expressions, the product of the radicands (the numbers or expressions inside the radical) can be taken under a single radical. For example, ∜m² • ∜m² can be combined as ∜(m² • m²), which simplifies to ∜(m^4). This principle is essential for simplifying the expression correctly.
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