1.

If x, y are any two non-zero real numbers, a_(ij) =xi + yj, A = (a_(ij))_(m xxn) and P, Q are two n xx n matrices such that A = xP + yQ, then

Answer»

<P>P is singular and Q is non-singular
P + Q is symmetric and P-Q is skew symmetric
Both P + Q and P -Q are singular
Both P + Q and P -Q are non-singular

Answer :B


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