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Alika [10]
3 years ago
6

Simplify square root of 72 by using imaginary number I

Mathematics
1 answer:
Monica [59]3 years ago
7 0

Answer:

6 \sqrt{2}

Step-by-step explanation:

\sqrt{72 }  =  \sqrt{2 \times 36} \\  = \sqrt{2}  \sqrt{36}  \\  = 6 \sqrt{2}

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4 years ago
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Find the smallest positive integer x which is greater than 1 and relatively prime to 120 (recall that relatively prime means tha
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List out the factors of 120 until we hit a gap

1,2,3,4,5,6,8

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Also, 7 is prime. The only factors of 7 are 1 and itself. This means that 7 and 120 do not have any common factors other than 1. The GCF of 7 and 120 is 1, leading to the two numbers being relatively prime

Side note: The term "coprime" is sometimes used in place of "relatively prime"

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