mona94 mona94
  • 01-11-2018
  • Mathematics
contestada

What are the steps to prove z+z+z+z=4z

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emgrace223 emgrace223
  • 01-11-2018
To prove the sum is 4z you can say I put an imaginary 1 in front of z because we know a variable by itself always has a one.
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