Chapter 10: Problem 106
Write expression in radical form. \(\left(3 m^{2} n^{2}\right)^{1 / 5}\)
Short Answer
Expert verified
\(\sqrt[5]{3 m^{2} n^{2}}\)
Step by step solution
01
Understand the Expression
The given expression is \(\left(3 m^{2} n^{2}\right)^{1 / 5}\). This represents the fifth root of the expression inside the parentheses, \(3 m^{2} n^{2}\).
02
Apply the Radical Form
In radical form, an expression \(a^{1/n}\) is equivalent to \(\sqrt[n]{a}\). Therefore, \(\left(3 m^{2} n^{2}\right)^{1 / 5}\) can be rewritten as \(\sqrt[5]{3 m^{2} n^{2}}\).
03
Verify the Conversion
Ensure that the conversion maintains the integrity of the expression. The fifth root of the entire expression \(3 m^{2} n^{2}\) can be written appropriately as \(\sqrt[5]{3 m^{2} n^{2}}\), which correctly represents the original form.
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Key Concepts
These are the key concepts you need to understand to accurately answer the question.
Understanding Exponents
Exponents are a way to express repeated multiplication of the same number or variable. For example, when we have an expression like \(m^2\), it means \(m\) is multiplied by itself, resulting in \(m \times m\). Exponents provide a compact method of representing such multiplications, making it easier to work with large numbers or variables.
- An exponent of 2 is called a "square" because it represents the area of a square with sides of equal length.
- An exponent of 3 is often referred to as a "cube" because it represents the volume of a cube.
Exploring the Fifth Root
The fifth root of a number is a special type of root where a number is divided into five equal parts. If \(a = b^5\), then \(b = \sqrt[5]{a}\). This means you're looking for a number that when multiplied by itself five times, gives you the original number.
In the expression \((3 m^{2} n^{2})^{1 / 5}\), we're trying to determine the fifth root of the entire expression \(3 m^{2} n^{2}\).
In the expression \((3 m^{2} n^{2})^{1 / 5}\), we're trying to determine the fifth root of the entire expression \(3 m^{2} n^{2}\).
- The operation "fifth root" is the inverse of raising to the power of five.
- Roots like the fifth root are useful in solving equations involving exponents.
Demystifying Radicals
Radicals are symbols that denote a root of a number or expression. The radical symbol \(\sqrt{}\) is used to indicate a "square root," but it can also be modified to indicate other roots, such as the fifth root, as seen in this exercise with \(\sqrt[5]{}\).When an expression is given in radical form, it's often to showcase a root operation. The expression \((3 m^{2} n^{2})^{1 / 5}\) can be rewritten using the radical symbol as \(\sqrt[5]{3 m^{2} n^{2}}\), transforming exponential notation into a more visually recognisable form.
- Radicals can simplify expressions, making complex calculations more manageable.
- They highlight the root operation, which is foundational in algebra.