[1– 2i] and y = | 3– i 1+ 2i If x = show that x"y = y"x 2

Q: Suppose z = x + 2i and u= 3+ yi where x, y E R. Find the smallest positive value of x z + u for…

A: Substituting z=x+2i and u=3+yi in z+uz-u:  z+uz-u=x+2i+3+yix+2i-3+yi           =x+3+2+yix-3+2-yi

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Q: Suppose z = x + 2i and u = 3+ yi where x, y E R. Find the smallest positive value of x z + u for…

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