The complex number a is given by a =-2 + 5i. i) Write down the complex conjugate a*. a +a* ii) Find in the form a + bi.

The complex number a is given by a =-2 + 5i. i) Write down the complex conjugate a. a +a ii) Find in the form a + bi.

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter8: Applications Of Trigonometry

Section8.5: Trigonometric Form For Complex Numbers

Problem 24E

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Question

City Engineers CM1-CM3 exam 2021.pdf
7)
The complex number a is given by a =-2 + 5i.
(i) Write down the complex conjugate a*.
[1]
a +a*
(ii) Find
in the form a+ bi.
[3]
8)

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