Question
For each real number x such that −1<x<1,let A(x) be the matrix (1−x)−1[1−x−x1] and z=x+y1+xyThen,
Answer: Option C
:
C
A(z)=A(x+y1+xy)=[1+xy(1−x)(1−y)]⎡⎢⎣1−(x+y1+xy)−(x+y1+xy)1⎤⎥⎦
∴A(x).A(y)=A(z)
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:
C
A(z)=A(x+y1+xy)=[1+xy(1−x)(1−y)]⎡⎢⎣1−(x+y1+xy)−(x+y1+xy)1⎤⎥⎦
∴A(x).A(y)=A(z)
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