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Consider a real-valued function u(x, y), where x and y are real variables. For each way of defining u(x, y) below, determine

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Answer #1

unty)= Arg(x+14) = Argz. cy) = arc tan (93) = Arq( *°) we know 1092 = Ini 2 ti Arg(2) --Clog2 = -2( [0|21 +i Arg2) -- 1012) -

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