Example: Represent the following complex numbers on an Argand diagram, and state the modulus for each of the numbers. = 3 z1 = 4 + 3i z2 z3 = 5i = + 3i z4 –2 = i z5 –3 – = 2i z6 – Solution: = = = 3 = = = = 5 = = 5 = = = = 2 Activity 7 Represent the following complex numbers on an Argand diagram. a) 5 b) 5i c) –5 d) e) + 5i f) 5i –5i –5 –5 – g) 5 5i h) 1 + 2i i) 2–i – – j) 2i k) l) 0+ 0i 6i –6 – – Copy and complete the following table Complex Complex Number (z) Number (z) a) 4 b) 3i c) 3 d) i – – e) 1 + f) 2 2i i – g) 1 + h) i i –1 – i) j) 2 + i i –
Example: Represent the following complex numbers on an Argand diagram, and state the modulus for each of the numbers. z1 = 3 z2 = 4 + 3i z3 = 5i z4 = –2 + 3i z5 = –3 – i z6 = – 2i Solution: = = = 3 = = = = 5 = = 5 = = = = 2 Activity 7 Represent the following complex numbers on an Argand diagram. a) 5 b) 5i c) –5 d) –5i e) –5 + 5i f) –5 – 5i g) 5 – 5i h) – 1 + 2i i) 2–i j) –6 – 2i k) – 6i l) 0+ 0i Copy and complete the following table Complex Number (z) Complex Number (z) a) 4 b) 3i c) – 3 d) – i e) 1 + i f) 2 – 2i g) 1 + i h) –1 – i i) – i j) 2 + i
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