Find the modulus of:
(a) (3 – j4) (-5 + j12)
(b) (2+?)/(4?+(1+?)^2)
Express (6 – ?8)^?3 in the standard form ? + ??. Find itsconjugate.
If ? + ?? = (?+?)/ (???) ,where a, b and c are real, prove that?^2 + ?^2 = 1 and ?/?= (2?)/ (?^2?1)
Please show all your steps so I can understand
Thank you
