Let z_1 and z_2 are two complex numbers whose principal arguments are \alpha and \beta, such that \alpha+\beta>\pi, then the principal argument of (z_1 z_2) is

Correct Answer is : α+β−2π

CGPET 2021 Solved Paper

Section: Mathematics

Question : 117 of 150

Marks: +1, -0

Let z1 and z2 are two complex numbers whose principal arguments are α and β, such that α+β>π, then the principal argument of (z1z2) is

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