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 WHATS 9i x 5I?

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WHATS 9i x 5I?

 Dec 17, 2014

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 #1
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9i x 5i  =  (9x5) x (i x i)  =  45i²

Since i²  =  -1:      45i²  =  45(-1)  =  -45

 Dec 17, 2014

1+0 Answers

 #1
avatar+23254 
+5
Best Answer

9i x 5i  =  (9x5) x (i x i)  =  45i²

Since i²  =  -1:      45i²  =  45(-1)  =  -45

geno3141 Dec 17, 2014

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