Question

Срочно!!!
Номер 3 и 4

Answer 1

это №3
а)
$\frac{1}{3} c = ( \frac{1}{3} \times ( - \frac{3}{1} ).. \frac{1}{3} \times \frac{6}{1} ) = ( - 1..3) [tex]a = \frac{1}{3} c - b = ( - 1 - 2..3 - ( - 2)) = ( - 3..1) \\ a = ( - 3..1)$

б)
$a = \sqrt{ {( - 3)}^{2} + {1}^{2} } = \sqrt{9 + 1} = \sqrt{10}$