find the modulus of (3+4i)(4+5i)/(4+3i)(6+7i) Share with your friends Share 1 Anuj Satish Lathi answered this Regards. 5 View Full Answer Jegannathan Anandaraman answered this Hi Sayyidh, |(3+4i)(4+5i)(4+3i)(6+7i)| = |(3+4i)| |(4+5i)| |(4+3i)| |(6+7i)| [Since |z1 z2| = |z1| |z2| ==> √25 * √41 * √25 * √85 = 25√3485 1