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Posted: **Thu Jul 14, 2022 3:55 pm**

: 9 Compute The Following Quantities A Given That Z 4 2i Calculate Z2 Z 1 B 7 I 2 3i C 1 I I2 I3 100 D 1 (32.75 KiB) Viewed 43 times

9. Compute the following quantities: a. Given that z=4−2i, calculate ∣∣z2+z−1∣∣. b. (7−i)(2−3i) c. (1+i+i2+i3)100 d. 1+3i(4−i)(1+2i)

9. Compute the following quantities: a. Given that z=4−2i, calculate ∣∣​z2+z−1∣∣​. b. (7−i)(2−3i)​ c. (1+i+i2+i3)100 d.