Question

aflati modulul vectorului AB ,daca A(1:-4) si B(-4:8)

Answer 1

A(x₀, y₀) ; B(x, y)
|AB| = √(x - x₀)² + (y - y₀)² =  $\sqrt{(-4 - 1)^{2} + (8 - (-4))^{2}} = \sqrt{-25 + 144 }$= 10.9087121 ≈ 10.9
Succes.