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Surprising answer III (Posted on 2023-06-04) Difficulty: 2 of 5
Evaluate:

sqrt(i)+sqrt(-i).

o There are at least 3 distinct methods

No Solution Yet Submitted by Ady TZIDON    
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Some Thoughts One method | Comment 1 of 6
Squaring the expression gives:

(sqrt(i))^2 + (sqrt(-i))^2 + 2sqrt(-i*i) =

i - i +2*sqrt(1) = 2

So the expression = sqrt(2) or -sqrt(2)

  Posted by Steve Herman on 2023-06-04 07:07:12
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