(a) Sketch the complex plane (i) the solution to |w − j2| = 2 and (ii) the solution to |w∗ − j2| = 2. Which number(s) are common to both solutions?

Advanced Engineering Mathematics
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Chapter2: Second-order Linear Odes
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Problem 1.2 (Complex Conjugation) Consider a complex number w = x + jy, having real part
Re(w) = x and imaginary part Im(w) = y, with its complex conjugate defined as w = x − jy.


 (a) Sketch the complex plane (i) the solution to |w − j2| = 2 and (ii) the solution to |w − j2| = 2. Which number(s) are common to both solutions?

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