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OpenStudy (anonymous):
Simplify the following expression. sqrt(-24) sqrt(-81)
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OpenStudy (anonymous):
-18sqrt{6}
OpenStudy (saifoo.khan):
\[-18\sqrt{6}\]
OpenStudy (anonymous):
sqrt(-24)=(2i)sqrt(6) sqrt(-81)=9i so: (9i)(2i)sqrt(6) 18i^2sqrt(6) -18sqrt(6)
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