CAIE A-Level Mathematics A2 3.9.2 Complex Numbers Questions
Practise arithmetic with complex numbers, including products, quotients and complex equations.
- Syllabus
- 2028–2030
- Course
- Mathematics 9709
- Level
- A2
Exam points
- perform arithmetic with complex numbers in Cartesian and polar forms
- solve quadratic and algebraic equations over the complex numbers
- simplify complex expressions and verify conjugate relationships
CAIE A-Level Mathematics A2 3.9.2 Complex Numbers Questions question 1
[Maximum number: 3]
The complex numbers u and v are defined by u=-4+2 i and v=3+i.
Find vu in the form x+i y, where x and y are real.
Multiply numerator and denominator by 3-i
OE
Obtain numerator - 10+10 i or denominator 10
Obtain final answer -1+i
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