31. suppose,is an nxn matrix such that the kth diagonal element of pp is zero. consider the following statement k the kth row of p is zero. a.the kth row ot pp

31. Suppose,Is an nxn matrix such that the kth diagonal element of PP is zero. Consider the following statement K The kth row of P is zero. A.The kth row ot PP is zero. I1. The kth column of P is zero Y The kth column of PP is zero. Select the correct answer using the codes given below (a) I and II (c) 11, Il and IV b) 1, ll and IV (d) 1, Il and ll