questions below:

10 0 10 0 The inverse of | A I ( IS P I O . Find P, Q and R. BDI QRI . . . Solve for P, Q, and R. P Q R = (Simplify your answers. Type expressions using A, B, and D as the variables.)a b Let A= and let k be a scalar. Find a formula that relates det(KA) to k and det(A). c d . . . Find det(A). det(A) = (Simplify your answer.) Find det(KA). det(KA) = (Simplify your answer.) Use the preceding steps to find a formula for det(KA). Select the correct choice below and fill in the answer box(es) to complete your choice. (Simplify your answer.) O A. det(KA) = . det(A) O B. det(KA) = + . det(A) O c. det(KA) = + det(A) O D. det(KA) = - det(A)Determine whether the set of vectors is orthonormal. If the set is only orthogonal, normalize the vectors to produce an orthonormal set. 12 #145 1 1H4 2 0 5 1 12 u=,u=,u= 2 1m 2 m 3 \"/ 1 12 90 F ' \"5 Select the correct choice below and, if necessary, ll in the answer boxes to complete your choice. 0 A- The set of vectors is orthogonal only. The normalized vectors for U1, u2 and \"3 are D, D and B, respectively. 0 B. The set of vectors is orthonormal. O C. The set of vectors is not orthogonal