Question

Modulus of vector A = 1 - 1 -k is ​

Answer 1

Answer:

$\sqrt{ {1}^{2} + {( - 1)}^{2} + {( - 1)}^{2} } \\ = \sqrt{3}$

Answer 2

Answer:

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

$\sqrt{3}$