kay194 kay194
  • 11-12-2016
  • Mathematics
contestada

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

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h43mm1 h43mm1
  • 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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