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Is 2 times the square root of 3 times 2 times the square root of 6 rational

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User Dundar
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2 Answers

4 votes

Final answer:

The expression 2 times the square root of 3 times 2 times the square root of 6 simplifies to 12 times the square root of 2, which is irrational because the square root of 2 is an irrational number.

Step-by-step explanation:

When examining the expression 2 times the square root of 3 times 2 times the square root of 6, you are essentially calculating the product of two numbers: 2√3 and 2√6. Computing this, we have:

2√3 × 2√6 = 4√(3 × 6) = 4√18

Simplifying further, since 18 = 9 × 2 and √9 = 3, we get:

4√18 = 4 × 3 × √2 = 12√2

The square root of 2 is an irrational number, which means that the entire expression 12√2 is irrational as well. An irrational number cannot be expressed as a ratio of two integers, hence the original expression is not a rational number.

answered
User Megamozg
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9.3k points
6 votes
No this is not rational as the answer just goes on and on forever, but does not repeat. That would be the same as 16.97056275 and so forth.

Hope this helps! :)
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User ILikeBreakfast
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