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If z1=2-i ,\ z2=1+i , find |(z1+z2+1)/(z...

If `z_1=2-i ,\ z_2=1+i ,` find `|(z_1+z_2+1)/(z_1-z_2+i)|`

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The correct Answer is:
`2sqrt2`
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Knowledge Check

  • if z_(1)=3+i and z_(2) = 2-i, " then" |(z_(1) +z_(2)-1)/(z_(1) -z_(2)+i)| is

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