MathematicsMedium53×since 2002Q3208If z1{z_1}z1 and z2{z_2}z2 are two non-zero complex numbers such that ∣z1+z2∣=∣z1∣+∣z2∣\,\left| {{z_1} + {z_2}} \right| = \left| {{z_1}} \right| + \left| {{z_2}} \right|∣z1+z2∣=∣z1∣+∣z2∣, then arg z1{z_1}z1 - arg z2{z_2}z2 is equal to :Aπ2 {\pi \over 2}\,2πB−π- \pi−πC0D−π2{{ - \pi } \over 2}2−πCheck answerSkip