Find each sum or difference. Write the answer in standard form. See Example.
EXAMPLE Adding and Subtracting Complex numbers
Find each sum or difference.
(a) (3 < 4i) + (−2 + 6i)
(b) (−4 + 3i) < (6 < 7i)
SOLUTION
(a)
Commutative, associative, distributive properties (Section R.2)
(b)
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