Multiply Square Roots: √2 × √3 × √1 × √4 × √5 × √6 Step-by-Step

Solve the following exercise:

231456= \sqrt{2}\cdot\sqrt{3}\cdot\sqrt{1}\cdot\sqrt{4}\cdot\sqrt{5}\cdot\sqrt{6}=

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Simplify the following problem
00:03 When multiplying the root of a number (A) by the root of another number (B)
00:07 The result equals the root of their product (A times B)
00:11 Apply this formula to our exercise and calculate the products
00:15 Calculate each product separately
00:35 Break down 720 into factors of 9 and 80
00:38 This time we'll apply the formula in reverse, breaking down from product to 2 roots
00:42 Calculate the root of 9
00:45 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:

231456= \sqrt{2}\cdot\sqrt{3}\cdot\sqrt{1}\cdot\sqrt{4}\cdot\sqrt{5}\cdot\sqrt{6}=

2

Step-by-step solution

To solve this problem, we'll follow these steps:

  • Step 1: Combine all the square root terms into a single square root using the product property of square roots.
  • Step 2: Simplify the product inside the square root.
  • Step 3: Simplify the square root expression obtained after combining.

Now, let's work through each step:
Step 1: We start by combining all the terms under one square root using the identity ab=ab\sqrt{a} \cdot \sqrt{b} = \sqrt{ab}. Thus:

231456=231456 \sqrt{2} \cdot \sqrt{3} \cdot \sqrt{1} \cdot \sqrt{4} \cdot \sqrt{5} \cdot \sqrt{6} = \sqrt{2 \cdot 3 \cdot 1 \cdot 4 \cdot 5 \cdot 6}

Step 2: Calculate the product within the square root:
231456=720 2 \cdot 3 \cdot 1 \cdot 4 \cdot 5 \cdot 6 = 720

Step 3: Now, simplify 720\sqrt{720}.
First, we find the prime factorization of 720: 720=243251 720 = 2^4 \cdot 3^2 \cdot 5^1 .
Using the property that a2=a\sqrt{a^2} = a, we can write:

720=(223)225=22325=4310 \sqrt{720} = \sqrt{(2^2 \cdot 3)^2 \cdot 2 \cdot 5} = 2^2 \cdot 3 \cdot \sqrt{2 \cdot 5} = 4 \cdot 3 \cdot \sqrt{10}

After simplification, the final answer is:

43 4\sqrt{3} .

3

Final Answer

43 4\sqrt{3}

Practice Quiz

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Solve the following exercise:

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

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