sarahcarruth77 sarahcarruth77

05-03-2019
Mathematics

contestada

What is the sum of the square root of -2 and the square root of -18?

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wegnerkolmp2741o wegnerkolmp2741o

05-03-2019

Answer:

4 sqrt(2) i

Step-by-step explanation:

sqrt(-2) + sqrt(-18)

We know that sqrt(ab) = sqrt(a) sqrt(b)

sqrt(-1) sqrt(2) + sqrt(-1) sqrt(9) sqrt(2)

The sqrt(-2) =i

sqrt(2) i + 3sqrt(2) i

4 sqrt(2) i

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veva7lopez veva7lopez

26-01-2021

Answer: B) 4 square root 2i

Step-by-step explanation:

Just took the ed test

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