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If |2z-1|=|z-2|a n dz1, z2, z3 are comp...

If `|2z-1|=|z-2|a n dz_1, z_2, z_3` are complex numbers such that `|z_1-alpha|lt alpha`,`|z_2-beta|ltbeta,` then= `|(z_1+z_2)/ (alpha+beta)|`a)` lt|z|`b. `<2|z| c. gt|z|` d. `>2|z|`

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