Parviz F. answered 09/03/13
Tutor
4.8
(4)
Mathematics professor at Community Colleges
√-4 * √-9 = 2i * 3i = -6
Maira A.
asked 08/10/13
a. -6
b. -6i
c. 6
d. 6i
Parviz F. answered 09/03/13
Mathematics professor at Community Colleges
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