If \( z_{1}, z_{2}, z_{3}, z_{4} \) are complex numbers, show that ... VIDEO
If \( z_{1}, z_{2}, z_{3}, z_{4} \) are complex numbers, show that they are vertices of a parallelogram in the Argand diagram if and only if \( z_{1}+z_{3}=z_{2}+z_{4} \).https://bit.ly/YTAI_PWAP https://www.pw.live
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