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OpenStudy (omgthatgirl):
Which of the following is the correct notation for the complex number sqrt-81-14 A. -14+9i B. -14+sqrt-81 C. -14+i sqrt 9 D. 14-9i
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OpenStudy (omgthatgirl):
Yes thats right
OpenStudy (jhannybean):
\[\sqrt{-81}-14\]\[\sqrt{-1}\sqrt{81}-14\]\[i=\sqrt{-1}\]\[i\sqrt{81}-14\]
OpenStudy (jhannybean):
And then reduce what \(\sqrt{81}\) is.
OpenStudy (omgthatgirl):
9
OpenStudy (omgthatgirl):
@Jhannybean
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OpenStudy (omgthatgirl):
Socwould it be sqrt 9
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