Patty H.
asked • 01/25/1948 - 8i + 6i (-1) = 13
48 -2i (1) = 13 ???
Patrick B. answered • 01/25/19
Math and computer tutor/teacher
F 48
O -8i
I 6i
L -i^2 = -(-1) = +1 <--- watch the signs! positive times negative is negative; i^2 = -1
So the like terms combine: 49 - 2i
No it is NOT equal to 13
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