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The order of the matrix BA is","choices":[{"text":"3 x 3","value":"A"},{"text":"3 x 2","value":"B"},{"text":"2 x 5","value":"C"},{"text":"5 x 2","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":123505,"question":"","questionImage":"123505_636348707954679592-RQ.jpg","choices":[{"text":"0","value":"A"},{"text":"1","value":"B"},{"text":"2","value":"C"},{"text":"4","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":123503,"question":"If the trace of matrix A is 5, then the trace of the matrix 3A is","choices":[{"text":"3/5","value":"A"},{"text":"5/3","value":"B"},{"text":"8","value":"C"},{"text":"15","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":123501,"question":"If for the matrix A, A<sup>5</sup>= I, then A<sup>-1</sup>=","choices":[{"text":"A<sup>2</sup>","value":"A"},{"text":"A<sup>3</sup>","value":"B"},{"text":"A","value":"C"},{"text":"None of above","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":123499,"question":"","questionImage":"123499_636348706131461306-RQ.jpg","choices":[{"text":"I","value":"A"},{"text":"|A|","value":"B"},{"text":"|A| I","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":123493,"question":"For a square matrix A, if A = A<sup>t</sup>, then A is called","choices":[{"text":"matrix","value":"A"},{"text":"Transpose","value":"B"},{"text":"Symmetric","value":"C"},{"text":"Non-symmetric","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":123491,"question":"If A = [a<sub>ij</sub>] is (m x n) matrix, then transpose of A is of the order","choices":[{"text":"m x m","value":"A"},{"text":"m x n","value":"B"},{"text":"n x n","value":"C"},{"text":"n x m","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":123489,"question":"We also the system of non-homogeneous linear equations by","choices":[{"text":"a and b","value":"A"},{"text":"b and c","value":"B"},{"text":"c and a","value":"C"},{"text":"a, b and c","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":123487,"question":"Trival solution of homogeneous linear equation is","choices":[{"text":"(0, 0, 0)","value":"A"},{"text":"(1, 2, 3)","value":"B"},{"text":"(1, 3, 5)","value":"C"},{"text":"a, b and c","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":123485,"question":"For non-trival solution |A| is","choices":[{"text":"A = 0","value":"A"},{"text":"A<sup>t</sup>= 0","value":"B"},{"text":"|A| = 0","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":123483,"question":"For trival solution |A| is","choices":[{"text":"A","value":"A"},{"text":"|A| is non zero","value":"B"},{"text":"A = 0","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":123482,"question":"System of linear equations is inconsistent if","choices":[{"text":"System has no solution","value":"A"},{"text":"System has one solution","value":"B"},{"text":"System has two solution","value":"C"},{"text":"None of above","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":123480,"question":"An equation of the form ax + by = k is homogeneous linear equation when:","choices":[{"text":"","img":"123480_636348697005691450-RA1.jpg","value":"A"},{"text":"","img":"123480_636348697005691450-RA2.jpg","value":"B"},{"text":"","img":"123480_636348697005691450-RA3.jpg","value":"C"},{"text":"","img":"123480_636348697005691450-RA4.jpg","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":123475,"question":"","questionImage":"123475_636348695102448514-RQ.jpg","choices":[{"text":"","img":"123475_636348695102448514-RA1.jpg","value":"A"},{"text":"","img":"123475_636348695102448514-RA2.jpg","value":"B"},{"text":"","img":"123475_636348695102448514-RA3.jpg","value":"C"},{"text":"","img":"123475_636348695102448514-RA4.jpg","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":123473,"question":"","questionImage":"123473_636348693438026570-RQ.jpg","choices":[{"text":"A","value":"A"},{"text":"-A","value":"B"},{"text":"A<sup>t</sup>","value":"C"},{"text":"A<sup>-</sup>","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":123470,"question":"","questionImage":"123470_636348692507268262-RQ.jpg","choices":[{"text":"A<sup>-</sup>","value":"A"},{"text":"A<sup>t</sup>","value":"B"},{"text":"-A","value":"C"},{"text":"A","value":"D"},{"value":"E"}],"correctAnswer":3}]