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Statement 1: A=[(4,0,4),(2,2,2), (1,2,1)...

Statement 1: `A=[(4,0,4),(2,2,2), (1,2,1)] B^(-1)=[(1,3,3),(1,4,3),(1,3,4)]` . Then `(A B)^(-1)` does not exist. Statement 2: Since `|A|=0,(A B)^(-1)=B^(-1)A^(-1)` is meaning-less.

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CENGAGE PUBLICATION-MATRICES-All Questions
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  2. If A=[[a+i b, c+i d],[-c+i d, a-i b]] and a^2+b^2+c^2+d^2=1,t h e n ...

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  3. Statement 1: A=[(4,0,4),(2,2,2), (1,2,1)] B^(-1)=[(1,3,3),(1,4,3),(1,3...

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  13. If A=|[1,tanx],[-tanx,1]| , show that A^T\ A^(-1)=|[cos2x,-sin2x],[sin...

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