1.

The total number of matrices A=⎡⎢⎣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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