ID: Class: 11 Subject: Math Topic: Complex Numbers Type: Mcq Year: null

Question:

What is the modulus of the complex number $z = \frac{(1+i)(2+i)}{3+i}$?
  • A. $1$
  • B. $\sqrt{2}$
  • C. $\frac{1}{2}$
  • D. $2$