Simplify the given expression and write your answer in the form a + bi for a, b ∈ R. (d) (5 + 6i)(7 − i) (e) (1 + i)^3 (f) |5 + 3i|

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.4: Complex Numbers
Problem 25E
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Simplify the given expression and write your answer in the form a + bi for a, b ∈ R.

(d) (5 + 6i)(7 − i)

(e) (1 + i)^3

(f) |5 + 3i|

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