15 Aug, 2024
· Mathematics

How to write the expression 6^7/12 in radical form

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Long Explanation

Explanation

Radical Form of 67126^{\frac{7}{12}}

To convert the expression 67126^{\frac{7}{12}} into radical form, we use the property of exponents that states:

am/n=amna^{m/n} = \sqrt[n]{a^m}

In this case, a=6a = 6, m=7m = 7, and n=12n = 12.

Thus, the expression can be written as:

6712=67126^{\frac{7}{12}} = \sqrt[12]{6^7}

Where:

  • a=6a = 6
  • m=7m = 7
  • n=12n = 12

So, the radical form of 67126^{\frac{7}{12}} is:

6712\sqrt[12]{6^7}
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Concept

Exponent Properties

Basic Exponent Properties

Exponent properties are rules that simplify expressions involving powers of numbers or variables. Understanding these properties is crucial in algebra and higher mathematics. Here are some key properties:

Product of Powers

If you multiply two expressions with the same base, you can add the exponents.

aman=am+na^m \cdot a^n = a^{m+n}

Quotient of Powers

If you divide two expressions with the same base, you can subtract the exponents.

aman=amn\frac{a^m}{a^n} = a^{m-n}

Power of a Power

If you raise a power to another power, you can multiply the exponents.

(am)n=amn(a^m)^n = a^{m \cdot n}

Power of a Product

If you have a product raised to a power, you can distribute the exponent over the factors.

(ab)n=anbn(ab)^n = a^n \cdot b^n

Power of a Quotient

If you have a quotient raised to a power, you can distribute the exponent over the numerator and the denominator.

(ab)n=anbn\left(\frac{a}{b}\right)^n = \frac{a^n}{b^n}

Zero Exponent

Any nonzero number raised to the power of zero is 1.

a0=1(where a0)a^0 = 1 \quad \text{(where } a \neq 0\text{)}

Negative Exponent

A negative exponent indicates a reciprocal.

an=1ana^{-n} = \frac{1}{a^n}

Summary

Understanding these properties helps simplify and solve algebraic expressions involving exponents more efficiently. Memorizing these rules can greatly aid in working with exponential expressions and understanding their behavior.

Concept

Radical Notation

Explanation

Radical notation is a way of expressing roots, such as square roots, cube roots, and nth roots. It involves the use of the radical symbol \sqrt{}.

For example, the square root of a number xx is written as:

x\sqrt{x}

This can be read as "the square root of xx" and it represents a number yy such that:

y2=xy^2 = x

For higher-order roots, such as cube roots or fourth roots, an index is added to the radical symbol. The cube root of xx would be:

x3\sqrt[3]{x}

This is read as "the cube root of xx" and represents a number yy such that:

y3=xy^3 = x

In general, the nth root of a number xx is expressed as:

xn\sqrt[n]{x}

This signifies a number yy such that:

yn=xy^n = x

Examples

  1. Square Root: If x=16x = 16,

    16=4 \sqrt{16} = 4

    because 42=164^2 = 16.

  2. Cube Root: If x=27x = 27,

    273=3 \sqrt[3]{27} = 3

    because 33=273^3 = 27.

  3. Fourth Root: If x=81x = 81,

    814=3 \sqrt[4]{81} = 3

    because 34=813^4 = 81.

Radical Expressions

Radical notation can also be used with variables and expressions. For instance, if you have an expression x2+4x^2 + 4, the square root of this expression is:

x2+4\sqrt{x^2 + 4}

This represents a value that, when squared, gives the expression x2+4x^2 + 4.

Conversion to Exponential Form

Radicals can also be expressed in terms of exponents. The nth root of xx can be written as:

xn=x1n\sqrt[n]{x} = x^{\frac{1}{n}}

So,

x=x12\sqrt{x} = x^{\frac{1}{2}} x3=x13\sqrt[3]{x} = x^{\frac{1}{3}}

Understanding radical notation is crucial for solving various mathematical problems involving roots and powers.