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Perform Each Operation with Complex Numbers a+bia+b i Form
(A) (−2+4i)−(3−7i)(-2+4 i)-(3-7 i)

Question 39

Short Answer

Perform each operation with complex numbers. Give answers in a+bia+b i form.
(a) (−2+4i)−(3−7i)(-2+4 i)-(3-7 i)
(b) 9−7i1−3i\frac{9-7 i}{1-3 i}
(c) Simplify i57i^{57}
(d) 5i(3−i)25 i(3-i)^{2}

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