The number of 3 x 3 non-singular matrices, with four entries as 1 and all other entries as 0, is

Answers (1)

As we learnt in 

Defination of Matrix -

A rectangular array of symbols (which could be real or complex numbers) along rows and columns is a matrix.

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Use combination method and 4 entries for 1 and others for zero. Then atleast 7 number of 3\times 3 non-singular matrices

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