Question

Find the modulus of 1-i​

Answer 1

Answer:

Let z=1+i

then z¯=1−i

⟹|z|2=zz¯

⟹|z|2=(1+i)(1−i)

⟹|z|2=1+1=2

⟹|z|=2–√

Step-by-step explanation:

hope it help you

Answer 2

the modulus of 1-i is √2

Step-by-step explanation:

l1-i l

$= \sqrt{ {1}^{2} + ( - 1) ^{2} }$

$= \sqrt{1 + 1} = \sqrt{2}$