Further maths AS level
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Last updated 6:34 PM on 4/17/25
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10 Terms
1
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What is a complex conjugate?
z=a+bi —> z*=a-bi
2
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Which axis on an argand diagram is real?
X axis
3
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Which axis on an argand diagram is imaginary?
Y axis
4
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What is the formula for the modulus of a complex number?
|z|= √(x²+y²)
5
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What is the formula for the argument of a complex number?
tanθ=y/x
θ=argz
6
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|z₁z₂|=
|z₁||z₂|
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|z₁/z₂|=
|z₁|/|z₂|
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arg(z₁z₂)
arg(z₁)+ arg(z₂)
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arg(z₁/z₂)
arg(z₁)- arg(z₂)
10
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Note 
Flashcards (39)