Question

A distância entre as retas paralelas (r) x + y – 3 = 0 e (s) x + y + 1 = 0 é igual a

Answer 1

(s) x + y + 1 = 0

(r) x + y – 3 = 0

d = c-c'/√A²+B²

d = 1+3/1²+1²

d = 4/√2 *(√2/√2) = 4√2/2 = 2√2 ✓