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If z1 and z2 two non zero complex number...

If `z_1 and z_2` two non zero complex numbers such that `|z_1+z_2|=|z_1|` then which of the following may be true (A) `argz_1-argz_2=0` (B) `argz_1-argz_2=pi` (C) `|z_1-z_2|=||z_1|-|z_2||` (D) `argz_1-argz_2=4pi`

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