s 12.1 and 12.2: Problem 6 Previous Problem Problem List Next Problem (1 point) Write each vector in components as ai + bj + ck or (a, b, c). Then find its length. P1 P2 if P1 is the point (3, 6, 1) and P2 is the point (8, 9, 2). P1P2 = P1P2l = 7u + 43 if u = (0, 6, 5) and 3 = (8, 8, 8). 7u + 40 = 7u + 401 =Sections 12.1 and 12.2: Problem 8 (1 point) Find a vector of magnitude 4 in the direction of '3 : (8, i4, 8). Vector is 55! Find a vector of magnitude 5 in the direction opposite to the direction of 13 : (5, i5, 8). Vector is ::: Sections 12.1 and 12.2: Problem 9 Previous Problem Problem List Next Problem (1 point) For each pair of points P1, P2, find the direction of P1 P2 and the midpoint of line segment P1 P2. P1 = (0, 0, 0), P2 = (-6, -7, 5) Direction is Midpoint is P1 = (4, 9, -6) , P2 = (1, 8, 9) Direction is Midpoint is