question_answer26) Which of the following is correct. (A) Determinant is a square matrix. (B) Determinant is a number associated to a matrix. (C) Determinant is a number associated to a square matrix. (D) None of these.View Answer play_arrow
question_answer71) The cost of 4 kg onion, 3kg wheat and 2kg rice is Rs60. The cost of 2kg onion, 4kg wheat and 6kg rice is Rs.90. The cost of 6kg onion 2kg wheat and 43kg rice is Rs.70. Find cost of each item per kg by matrix method.View Answer play_arrow
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