Question

calcule a distancia entre os pontos de A(-2,3) e B(1,5)

Answer 1

|AB| = |B - A| = |(1,5) - (-2,3)| = | 1 - (-2), 5 - 3| = | 3,2 | = (3² + 2²)^(1/2)
= (9+4)^(1/2) = 13^(1/2)