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WHAT DO YOU MEAN BY A SINGULAR MATRIX. also solve this question:

[ 1+x 7 3-x 3 ] FOR WHAT VALUE OF x the given matrix is a singular matrix?

A square matrix is a singular matrix if its determinant is zero.

The given matrix is, A=1+x73-x3Now if it is a singular matrix then, A=0or 1+x73-x3=0or 3+3x-21+7x=010x-18=0or x =1810=95 

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THE MATRIX IS : 1+x 7

3-x 3

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singular matrix is matrix for which det of matrix is 0. expand the det and solve for x ...... thumbs up$$$$$

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