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OpenStudy (anonymous):
simplify i x i = ?
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OpenStudy (anonymous):
i^2
jimthompson5910 (jim_thompson5910):
\[i \times i = \sqrt{-1} \times \sqrt{-1} = \sqrt{-1\times-1} = \sqrt{(-1)^2} = -1\] So \[i \times i = -1\]
OpenStudy (anonymous):
lol you do (:
OpenStudy (anonymous):
how about 100?
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