Use Radical Notation To Write The Expression. Simplify If Possible. Assume That All Variables Represent Nonnegative Quantities. 2 M 1 3 2 M^{\frac{1}{3}} 2 M 3 1 ​ Select The Correct Choice Below And, If Necessary, Fill In The Answer Box To Complete Your

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Understanding Radical Notation

Radical notation is a mathematical notation used to represent the nth root of a number. It is denoted by the symbol xn\sqrt[n]{x}, where x is the radicand and n is the index of the radical. In this article, we will focus on simplifying radical expressions of the form abna\sqrt[n]{b}, where a and b are nonnegative quantities.

Simplifying Radical Expressions

To simplify a radical expression, we need to find the largest perfect power that divides the radicand. A perfect power is a number that can be expressed as the product of an integer and itself. For example, 4 is a perfect power because it can be expressed as 2^2.

Let's consider the expression 2m132m^{\frac{1}{3}}. To simplify this expression, we need to find the largest perfect power that divides the radicand, which is m13m^{\frac{1}{3}}. Since m13m^{\frac{1}{3}} is already in its simplest form, we cannot simplify it further.

However, we can rewrite the expression using radical notation. The expression 2m132m^{\frac{1}{3}} can be rewritten as 2m3\sqrt[3]{2m}.

Properties of Radical Expressions

Radical expressions have several properties that can be used to simplify them. Some of these properties include:

  • Product Property: abn=anbn\sqrt[n]{ab} = \sqrt[n]{a}\sqrt[n]{b}
  • Quotient Property: abn=anbn\sqrt[n]{\frac{a}{b}} = \frac{\sqrt[n]{a}}{\sqrt[n]{b}}
  • Power Property: amn=(am)1n=amn\sqrt[n]{a^m} = (a^m)^{\frac{1}{n}} = a^{\frac{m}{n}}

These properties can be used to simplify radical expressions by combining like terms and canceling out common factors.

Simplifying Radical Expressions with Coefficients

When simplifying radical expressions with coefficients, we need to consider the properties of radical expressions. For example, consider the expression 31643\sqrt[4]{16}. To simplify this expression, we need to find the largest perfect power that divides the radicand, which is 16. Since 16 can be expressed as 2^4, we can rewrite the expression as 32443\sqrt[4]{2^4}.

Using the power property, we can rewrite the expression as 3(244)=3(21)=3(2)=63(2^{\frac{4}{4}}) = 3(2^1) = 3(2) = 6.

Simplifying Radical Expressions with Variables

When simplifying radical expressions with variables, we need to consider the properties of radical expressions. For example, consider the expression 2x33\sqrt[3]{2x^3}. To simplify this expression, we need to find the largest perfect power that divides the radicand, which is 2x32x^3. Since 2x32x^3 can be expressed as 2(x3)2(x^3), we can rewrite the expression as 2(x3)3\sqrt[3]{2(x^3)}.

Using the product property, we can rewrite the expression as 23x33\sqrt[3]{2}\sqrt[3]{x^3}. Since x33=x\sqrt[3]{x^3} = x, we can rewrite the expression as 23x\sqrt[3]{2}x.

Conclusion

In conclusion, simplifying radical expressions requires a thorough understanding of radical notation and the properties of radical expressions. By using the product property, quotient property, and power property, we can simplify radical expressions with coefficients and variables. Remember to always find the largest perfect power that divides the radicand and use the properties of radical expressions to simplify the expression.

Final Answer

The final answer is: 2m3\boxed{\sqrt[3]{2m}}

Q: What is the difference between a radical and a rational exponent?

A: A radical and a rational exponent are two different ways to represent the same mathematical operation. A radical is denoted by the symbol xn\sqrt[n]{x}, while a rational exponent is denoted by the symbol xmnx^{\frac{m}{n}}. For example, x3\sqrt[3]{x} is equivalent to x13x^{\frac{1}{3}}.

Q: How do I simplify a radical expression with a coefficient?

A: To simplify a radical expression with a coefficient, you need to find the largest perfect power that divides the radicand. For example, consider the expression 31643\sqrt[4]{16}. To simplify this expression, you need to find the largest perfect power that divides the radicand, which is 16. Since 16 can be expressed as 2^4, you can rewrite the expression as 32443\sqrt[4]{2^4}.

Q: How do I simplify a radical expression with a variable?

A: To simplify a radical expression with a variable, you need to find the largest perfect power that divides the radicand. For example, consider the expression 2x33\sqrt[3]{2x^3}. To simplify this expression, you need to find the largest perfect power that divides the radicand, which is 2x32x^3. Since 2x32x^3 can be expressed as 2(x3)2(x^3), you can rewrite the expression as 2(x3)3\sqrt[3]{2(x^3)}.

Q: Can I simplify a radical expression with a negative radicand?

A: No, you cannot simplify a radical expression with a negative radicand. The radicand must be a nonnegative quantity. If the radicand is negative, you need to rewrite the expression as the product of a negative number and a positive number.

Q: How do I simplify a radical expression with multiple terms?

A: To simplify a radical expression with multiple terms, you need to find the largest perfect power that divides each term. For example, consider the expression 2x33+3y33\sqrt[3]{2x^3} + \sqrt[3]{3y^3}. To simplify this expression, you need to find the largest perfect power that divides each term. Since 2x32x^3 can be expressed as 2(x3)2(x^3) and 3y33y^3 can be expressed as 3(y3)3(y^3), you can rewrite the expression as 2(x3)3+3(y3)3\sqrt[3]{2(x^3)} + \sqrt[3]{3(y^3)}.

Q: Can I simplify a radical expression with a fractional exponent?

A: Yes, you can simplify a radical expression with a fractional exponent. For example, consider the expression 123\sqrt[3]{\frac{1}{2}}. To simplify this expression, you need to rewrite it as the product of a negative number and a positive number. Since 123\sqrt[3]{\frac{1}{2}} can be rewritten as βˆ’23-\sqrt[3]{2}, you can simplify the expression as βˆ’23-\sqrt[3]{2}.

Q: How do I simplify a radical expression with a complex number?

A: To simplify a radical expression with a complex number, you need to use the properties of complex numbers. For example, consider the expression βˆ’83\sqrt[3]{-8}. To simplify this expression, you need to rewrite it as the product of a negative number and a positive number. Since βˆ’83\sqrt[3]{-8} can be rewritten as βˆ’223-2\sqrt[3]{2}, you can simplify the expression as βˆ’223-2\sqrt[3]{2}.

Conclusion

In conclusion, simplifying radical expressions requires a thorough understanding of radical notation and the properties of radical expressions. By using the product property, quotient property, and power property, you can simplify radical expressions with coefficients and variables. Remember to always find the largest perfect power that divides the radicand and use the properties of radical expressions to simplify the expression.

Final Answer

The final answer is: 2m3\boxed{\sqrt[3]{2m}}