Multiply Square Roots: Calculate √(2/4) × √(8/16)

Solve the following exercise:

24816= \sqrt{\frac{2}{4}}\cdot\sqrt{\frac{8}{16}}=

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Solve the following problem
00:03 When multiplying the square root of a number (A) by the square root of another number (B)
00:07 The result equals the square root of their product (A times B)
00:10 Apply this formula to our exercise and proceed to calculate the multiplication
00:15 Make sure to multiply numerator by numerator and denominator by denominator
00:31 Simplify wherever possible
00:38 The square root of a fraction (A divided by B)
00:41 Equals the square root of the numerator(A) divided by the square root of the denominator (B)
00:52 This is the solution

Step-by-step written solution

Follow each step carefully to understand the complete solution
1

Understand the problem

Solve the following exercise:

24816= \sqrt{\frac{2}{4}}\cdot\sqrt{\frac{8}{16}}=

2

Step-by-step solution

To solve the given exercise, let's simplify each square root expression separately:

  • Step 1: Simplify 24 \sqrt{\frac{2}{4}} .

    The fraction 24 \frac{2}{4} simplifies to 12 \frac{1}{2} . Thus, 24=12=12=12 \sqrt{\frac{2}{4}} = \sqrt{\frac{1}{2}} = \frac{\sqrt{1}}{\sqrt{2}} = \frac{1}{\sqrt{2}} .

  • Step 2: Simplify 816 \sqrt{\frac{8}{16}} .

    The fraction 816 \frac{8}{16} simplifies to 12 \frac{1}{2} . Thus, 816=12=12=12 \sqrt{\frac{8}{16}} = \sqrt{\frac{1}{2}} = \frac{\sqrt{1}}{\sqrt{2}} = \frac{1}{\sqrt{2}} .

  • Step 3: Multiply the results from Step 1 and Step 2.

    24816=1212=1122=12 \sqrt{\frac{2}{4}} \cdot \sqrt{\frac{8}{16}} = \frac{1}{\sqrt{2}} \cdot \frac{1}{\sqrt{2}} = \frac{1 \cdot 1}{\sqrt{2} \cdot \sqrt{2}} = \frac{1}{2} .

Therefore, the solution to the given expression is 12 \frac{1}{2} .

3

Final Answer

12 \frac{1}{2}

Practice Quiz

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Solve the following exercise:

\( \sqrt{\frac{2}{4}}= \)

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