5 & -4 & 3 \end{array}\right]\), then A4 – 24 (A – I) = The matrix $$\left[\begin{array}{ccc} (d) 6I (c) AB + BA is a symmetric matrix â¦ If \(A=\left[\begin{array}{cc} Find the matrix product AB, if it is defined. 2 x+3 & x+2 3. Strategic Management MCQ Questions and answers with easy and logical explanations. c & a & b 22. Sanfoundry Global Education & Learning Series â Data Structure. (d) diagonal matrix \end{array}\right]$$, Question 12. -5 & 0 & 11 \\ This Test Section specifically contain the hand picked Multiple choice Questions and Answers asked in the various competitive exam.this section mainly contain the MCQ on Data Structure and Algorithms - Graph. These MCQs also can be used for NET, SET and PhD exams. (a) skew-symmetric matrix Explanation: Harry Markowitz coined the term Sparse Matrix. (d) unit matrix A. Arra Answer: \end{array}\right]\), Question 27. 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