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
1. Equations & Inequalities
Complex Numbers
1:48 minutes
Problem 33a
Textbook Question
Textbook QuestionFind each product or quotient. Simplify the answers. √-30 / √-10
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Complex Numbers
Complex numbers are numbers that have a real part and an imaginary part, typically expressed in the form a + bi, where 'i' is the imaginary unit defined as √-1. In the context of square roots of negative numbers, such as √-30 and √-10, we express these roots using 'i' to indicate their imaginary nature, allowing us to perform arithmetic operations on them.
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Properties of Square Roots
The properties of square roots state that √(a/b) = √a / √b and √(a * b) = √a * √b. These properties are essential for simplifying expressions involving square roots, especially when dealing with products or quotients of square roots, as they allow us to break down complex expressions into simpler components.
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Simplification of Expressions
Simplification of expressions involves reducing an expression to its simplest form, which often includes combining like terms, factoring, and rationalizing denominators. In the case of the expression √-30 / √-10, simplification will involve expressing the square roots in terms of complex numbers and then performing the division to arrive at a more manageable form.
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