11-12-2016
Mathematics

contestada

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

Respuesta :

11-12-2016

sqrt-2 = 1.414i ; sqrt-18 = 4.243i
1.414i + 4.234i = 5.657i

The 'i' is included because the sqrt of a negative number is imaginary.

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