Write the complex number in rectangular form.3
A. 
+ i
B. 
+ 
i
C. 
+ 
i
D. 
+ 
i
Answer: B
Mathematics
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A. (-6, ?) B. (0, ?) C. (6, ?) D. (1, ?)
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The middle term of the trinomial has been rewritten. Now factor by grouping.12x2 - 9xy - 20xy + 15y2
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