0.0116 0.0046 0.0023 Let D= 0.0046 0.0093 0.0046 be a flexibility matrix, with flexibility measured in inches per pound. Suppose that forces of 40, 10, and 20 lb are applied to a beam at points 1, 2, 0.0023 0.0046 0.0116 and 3, respectively. Find the corresponding deflections y1 y2, and y3- #3 f