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12th Class Mathematics What Can You Become

  • question_answer 31)
    The restriction on n, k and p so that PY + WY will be defined are : (a) k = 3, p = n (b) k is arbitrary, p = 2 (c) p is arbitrary, k = 3 (d) k = 2, p = 3.  

    Answer:

    PY + WY = (P + W) Y To get P + W, the order of matrix P should be same as that of W.                    is correct.  


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