QuestionReportEngineering Mathematics Question on Complex numberWhat will be the argument of Z1Z2\frac{Z_1}{Z_2}Z2Z1=? Z1=−1+iZ_1 = -1 + iZ1=−1+i Z2=2iZ_2 = 2iZ2=2iAnswerThe correct answer is π4.\frac{\pi}{4}.4π.