SOLUTION: / means square root. [] means absoulte value.. 1.. simpliy -/-169 2..find [-1+i]

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Question 171528: / means square root.
[] means absoulte value..
1.. simpliy -/-169
2..find [-1+i]




Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
/ means square root.
[] means absolute value..
1.. simpliy -/-169
-sqrt(-169) = -13i
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2..find [-1+i]
|-1+i| = sqrt((-1)^2 + 1^2)
= sqrt(2)
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Cheers,
Stan H.