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OpenStudy (anonymous):
Imaginary i questions? help?
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OpenStudy (anonymous):
OpenStudy (anonymous):
i think its a but im not sure
OpenStudy (anonymous):
no wait d
OpenStudy (anonymous):
sqrt(-28) = sqrt(28) multiplied by sqrt(-1) = sqrt (28) times i since sqrt(28) = sqrt(4) times sqrt(7) = 2 sqrt(7)... you get sqrt (-28) = 2i sqrt(7)
OpenStudy (anonymous):
Thank you lovely! so it is d?
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OpenStudy (anonymous):
I showed you a step-by-step solution @blahkatherine
OpenStudy (anonymous):
yes, D.
OpenStudy (anonymous):
thank nu <3
OpenStudy (anonymous):
Welcome.
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