Accedmychevron_right11thchevron_rightmathchevron_rightComplex Numberschevron_rightExercise 1.5

Theory

  • Divide a+bic+di\dfrac{a+bi}{c+di} by multiplying by the conjugate cdic-di.
  • Convert x+iyx+iy to polar using:
r=x2+y2,θ=tan1(yx) (adjust quadrant)r=\sqrt{x^2+y^2},\quad \theta=\tan^{-1}\left(\frac{y}{x}\right)\ \text{(adjust quadrant)}