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OpenStudy (anonymous):
ok, i know the square root of a negative number is not a real number, but does it apply for the following problem? if not, can i have help to solve it?
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OpenStudy (anonymous):
|dw:1316390992759:dw|
OpenStudy (anonymous):
=9?
OpenStudy (anonymous):
the 20's basically cancel out and since it is even power, it makes 9 positive?
OpenStudy (saifoo.khan):
wait.
OpenStudy (saifoo.khan):
-9 is the answer.
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OpenStudy (anonymous):
why is it negative?
OpenStudy (saifoo.khan):
Jimmy is here to the Rescue!!
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