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JEE Advanced Model Paper 13 with solutions for online practice

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Question : 51

Total: 60

Using the elements of the set {-3,-2,-1,0,1,2,3}

A) The number of 3 × 3 matrices having trace 0 is 37 (76)
The number of 3 × 3 matrices is 79
The number of 3 × 3 skew symmetric matrices is 73
The number of 3 × 3 symmetric matrices is 76

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