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secondary 4 | E Maths
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Germaine
Germaine

secondary 4 chevron_right E Maths chevron_right Singapore

find the modulus | z | and the argument pie of the complex number z = -7 + 24i

Date Posted: 2 years ago
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Isabella Teong Min Hui
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Isabella Teong Min Hui
Isabella Teong Min Hui
2 years ago
Pardon the handwriting, please.
Germaine
Germaine
2 years ago
is the answer | z | = 25, pie = 1.85?
Isabella Teong Min Hui
Isabella Teong Min Hui
2 years ago
Haha Yes, the answer is indeed that. Don't know why exactly I got downvoted here when I try not to feed students answers, but if you're in doubt, you can also check on wolframalpha by typing arg(-7+24i) and mod(-7+24i), or watch the below video for better understanding of the concept:

https://www.youtube.com/watch?v=61gSsgrx4vs