A complex number
Which of the following complex numbers is equal to
Complex Numbers, EXT2 N1 2022 HSC 11c
- Write the complex number
in exponential form. (2 marks)
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- Hence, find the exact value of
giving your answer in the form . (2 marks)
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Show Worked Solution
i.
| ii. | ||
Complex Numbers, EXT2 N1 2020 HSC 13d
- Show that for any integer
, . (1 mark)
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- By expanding
show that
. (3 marks)
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- Hence, or otherwise, find
. (2 marks)
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