Question

Calcule a distância entre os pontos A(3,-5) e B(2,7)

Answer 1

d(A, B) = [(2 - 3)^2 + (7 - (- 5))^2]^(1/2)

d(A, B) = [(- 1)^2 + (7 + 5)^2]^(1/2)

d(A, B) = [1 + (12)^2]^(1/2)

d(A, B) = [145]^(1/2)