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OpenStudy (anonymous):
are these all real numbers? sqt-15 44 1.765 -1.5 sqt-6 0
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OpenStudy (anonymous):
some are
OpenStudy (anonymous):
haha
OpenStudy (anonymous):
true
myininaya (myininaya):
no they are not all real \[\sqrt{-15}=i \sqrt{15}, \sqrt{-6}=i \sqrt{6}\] these two are imaginary
myininaya (myininaya):
others are real
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OpenStudy (anonymous):
thank you !!!!
OpenStudy (anonymous):
is sqt-16 real?
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