Respuesta :

9514 1404 393

Answer:

   (b)  2.45

Step-by-step explanation:

That distance is the magnitude of the vector between the two points:

  ∆ = y -x = (2 -3, 3 -2, 3 -5) = (-1, 1, -2)

Then the distance you want is ...

  |∆| = √((-1)² +1² +(-2)²) = √(1+1+4) = √6 ≈ 2.45