FP1 - COMPLEX NUMBERS - OCR MEI FURTHER MATHEMATICS A
LEVEL |2025. All Exam Questions and Correct Answers | Graded A+ |
2025/2026 Update|
i- sqrt(-1)
i^2 - -1
z=- a +bi
z* = - a - bi
zz* = - a^2 - b^2
z in modulus argument form - z = r(cos theta + isin theta)
r is the modulus
circle = - |z-a| = r
angle = - arg(z - a) = theta
perpendicular bisector = - |z-a| = |z-b|
360 in radians - 2 pi
LEVEL |2025. All Exam Questions and Correct Answers | Graded A+ |
2025/2026 Update|
i- sqrt(-1)
i^2 - -1
z=- a +bi
z* = - a - bi
zz* = - a^2 - b^2
z in modulus argument form - z = r(cos theta + isin theta)
r is the modulus
circle = - |z-a| = r
angle = - arg(z - a) = theta
perpendicular bisector = - |z-a| = |z-b|
360 in radians - 2 pi
