Question

modulas of -3 (1-i)​

Answer 1

|-3 (1-i) |

We know that |az| = a |z|

So |-3(1-i)| = 3 |(1-i)| { as |-3| = 3}

=>3 sqrt( 1^2 + (-1)^2)

=> 3 sqrt (2) is the answer.

I hope I was helpful