Chapter 10: Problem 107
Write expression in radical form. \((3 t)^{1 / 4}\)
Short Answer
Expert verified
\((3t)^{1/4}\) in radical form is \(\sqrt[4]{3t}\).
Step by step solution
01
Understand the Problem
We are given an expression \((3t)^{1/4}\)and we are asked to write this in radical form. A radical expression is one that involves roots, like square roots or fourth roots.
02
Identify the Components
In the expression \((3t)^{1/4}\),the base is \(3t\)and the exponent is \(1/4\). The exponent denotes that we are taking the fourth root of the base.
03
Apply the Radical Form Rule
The rule we use is \(a^{1/n} = \sqrt[n]{a}\). In this case, \((3t)^{1/4}\)can be rewritten as the fourth root of \(3t\).
04
Write the Expression in Radical Form
Using the rule from the previous step, replace the power of \(1/4\)with the radical form. Thus, \((3t)^{1/4}\)becomes \(\sqrt[4]{3t}\).
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Key Concepts
These are the key concepts you need to understand to accurately answer the question.
Understanding Exponentiation
Exponentiation is a mathematical operation involving two numbers: the base and the exponent. It is a way of expressing repeated multiplication. For example, when you see an exponent such as \(a^n\), it means the number \(a\) is multiplied by itself \(n\) times. In our exercise, - The base is \(3t\). This means we multiply \(3t\) by itself, but the exponent modifies this operation since it is a fraction.- The exponent here is \(\frac{1}{4}\).This fractional exponent represents a root, specifically the fourth root. Instead of multiplying \(3t\) by itself four times, the process is reversed, and we find a number that, when multiplied by itself four times, gives \(3t\). Understanding exponentiation is key for manipulating such expressions.
The Concept of Fourth Roots
Fourth roots are a specific type of root similar to square or cube roots. The fourth root of a number is a value that, when raised to the fourth power, equals the original number. Fourth roots are expressed with an exponent of \(\frac{1}{4}\) in exponential form.Finding a fourth root can be visualized as reversing four levels of multiplication:- If \(x\) is the fourth root of \(y\), then multiplying \(x\) by itself four times gives \(y\).- For example, if \(2\) is the fourth root of \(16\), then \(2 \times 2 \times 2 \times 2 = 16\).In our exercise, the fourth root of \(3t\) is denoted with the expression \((3t)^{\frac{1}{4}}\). This format helps simplify complex calculations and is useful in various math applications.
Using Radical Notation
Radical notation is a common way to express roots. It involves the radical symbol \(\sqrt{}\), along with a number indicating the degree of the root, allowing us to specify which root we are taking.- The general formula for radical notation is \(\sqrt[n]{a}\), where \(n\) is the degree of the root.- In our specific example, the expression \((3t)^{\frac{1}{4}}\) can be rewritten using radical notation as \(\sqrt[4]{3t}\).This means the fourth root of \(3t\). Radical notation is especially helpful because it visually represents the operation of taking a root, making it easier to grasp at a glance. By converting expressions into radical form, you can simplify and solve equations or perform further mathematical operations.