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OpenStudy (anonymous):
27+sqrt-9 /3=?
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OpenStudy (anonymous):
\[27+\sqrt{-9} / 3\]
OpenStudy (mathstudent55):
|dw:1370222328587:dw|
OpenStudy (anonymous):
-3
OpenStudy (anonymous):
now what?
OpenStudy (mathstudent55):
No. sqrt(-9) must first be rewritten as i*sqrt(9)
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OpenStudy (anonymous):
o
OpenStudy (mathstudent55):
|dw:1370222525326:dw|
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