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Multiplying Radicals Calculator

Radical Multiplication Rule:

\[ \sqrt{a} \times \sqrt{b} = \sqrt{a \times b} \]

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1. What is Radical Multiplication?

The multiplication of radicals follows the mathematical rule that the product of two square roots is equal to the square root of the product of their radicands. This is a fundamental property in algebra and simplifies many mathematical operations.

2. How Does the Calculator Work?

The calculator uses the radical multiplication rule:

\[ \sqrt{a} \times \sqrt{b} = \sqrt{a \times b} \]

Where:

Explanation: The calculator first multiplies the radicands (a and b), then takes the square root of the product, giving you both the simplified radical form and its decimal approximation.

3. Importance of Radical Multiplication

Details: Understanding radical multiplication is essential for simplifying expressions, solving equations, and working with quadratic forms in algebra and higher mathematics.

4. Using the Calculator

Tips: Enter any non-negative numbers for a and b. The calculator will show the simplified radical form and its decimal value. Both inputs must be valid (≥ 0).

5. Frequently Asked Questions (FAQ)

Q1: Can I multiply radicals with different indices?
A: This calculator is for square roots (index 2) only. Different indices require more complex calculations.

Q2: What if one radicand is negative?
A: The calculator only accepts non-negative radicands as square roots of negative numbers involve complex numbers.

Q3: Does this work for variables too?
A: The principle applies to variables (e.g., √x * √y = √(xy)), but this calculator only handles numerical inputs.

Q4: Can I simplify before multiplying?
A: Yes, sometimes simplifying individual radicals first can make calculations easier, but the final result will be the same.

Q5: How precise are the results?
A: Results are accurate to 4 decimal places, but exact form is shown when possible.

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