SOLUTION: S squared = -4s ?

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Question 118496This question is from textbook
: S squared = -4s ? This question is from textbook

Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!
S%5E2+=+-4s
S=+sqrt%28-4s%29
S=+sqrt%284%2A%28-1%29s%29 ...........recall that i is the imaginary unit defined as sqrt%28-1%29
S+=+ - 2i%2Asqrt%28s%29