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Mathematics 16 Online
OpenStudy (anonymous):

27+sqrt-9 /3=?

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)

OpenStudy (anonymous):

o

OpenStudy (mathstudent55):

|dw:1370222525326:dw|

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