COMPLEX NUMBERS
CLASS 9 & 10 · MATHS
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REMEMBERi² = −1
- z = a + bi: real part + imaginary part
- Plot it on the Argand plane
- Powers of i repeat: i, −1, −i, 1
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CLASS 9 & 10 · MATHSWhat is the square root of −1?
Complex numbers in 25 seconds
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