Find two unit vectors orthogonal to both (9, 3, 1) and (-1, 1, 0). (smaller i-value) X (larger i-value) XFind a vector equation and parametric equations for the line. (Use the parameter t.) The line through the point (0, 15, 9) and parallel to the line X = l + 41', y = 6 4t, 2 = 3 + 61.\" r(f) (X0), YO\"): 2(0) : ( ) (a) Find symmetric equations for the line that passes through the point (4, 5, 8) and is parallel to the vector (1, 3, 4). O X4 _ [+5 _28 1 3 4 ' OX+4=L5=Z_8. 3 4 O (X+4)=3(y5)=4(z+8). O X+4= [5 _z+8 1 3 4 O (x 4) = 3(y+ 5) = 4(2 8). (b) Find the points in which the required line in part (a) intersects the coordinate planes. point of intersection with xy-plane ( ) point of intersection with yz-plane ( ) point of intersection with xz-plane ( )