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MAT1511 ASSIGNMENT 2 2022

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This document contains MAT1511 ASSIGNMENT 2 2022 solutions.Clear step by step calculations and explanations are provided.

Institution
University Of South Africa (Unisa)
Course
MAT1511 - Precalculus Mathematics B (MAT1511)

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MAT1511
ASSIGNMENT 2
2022

, Solution:


(2 − 𝑖)(4 − 3𝑖)2 (2 − 𝑖)(16 − 24𝑖 + 9𝑖 2 )
=
3 + 2𝑖 3 + 2𝑖
(2 − 𝑖)(16 − 24𝑖 − 9)
=
3 + 2𝑖
(2 − 𝑖)(7 − 24𝑖)
=
3 + 2𝑖
14 − 55𝑖 − 24
=
3 + 2𝑖
−10 − 55𝑖
=
3 + 2𝑖
(−10 − 55𝑖)(3 − 2𝑖)
=
(3 + 2𝑖)(3 − 2𝑖)
−30 − 145𝑖 + 110𝑖 2
=
9+4
−140 − 145𝑖
=
13
140 145𝑖
=− −
13 13
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Institution
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Course
MAT1511 - Precalculus Mathematics B (MAT1511)
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  • mat1511 assignment 2
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