9.3.55) Find eigenvectors and eigenvalues of the matrix A=gg. 9.4.7) Find the length of .=m. 9.4.14) Normalize the vector 4) Find the angle between 0 3 a: = 1 0g '9 = 1 _3 1 (Note: ngean and) 9.4.32) The points P = (dog: (0,3) and R: (5,0) forms a triangle a) Use trigonometric rules to determine the length of all sides and the angles between them. 9.4.65) Given is the plane passing through r0 = (O, 2, 1) AT with normal vector 11 = (1 , 1, 1) AT. Find a line that passes through the point (5, 1 , 0) AT and is parallel to the plane