1.

The total number of matricesA=⎡⎢⎣02y12xy−12x−y1⎤⎥⎦,(x,y∈R, x≠y)for which ATA=3I3 is :

Answer»

The total number of matrices

A=02y12xy12xy1,(x,yR, xy)



for which ATA=3I3 is :




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