Determine which set in complex plane defined by following conditions are convex (a) Im(z) > 6 (b) 1<]z- 3 + 4i| < 3

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Q: Hi, there are two questions a) and b) attached  Thanks so Much!!!!

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A: See the attachment

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Linear Algebra

In mathematics, problems can be solved by the arithmetic operators like addition, subtraction, multiplication, and division. In algebra, we represent the numbers by any letter called a variable. If these variables are of degree 1, then it is studied under linear algebra. The first-degree equations involving algebraic expressions are called linear equations. That is, if you represent it by drawing a graph you will get a straight line.