1
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f(A−Aθ)=
f(A−Aθ)=
A
+1
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B
-1
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C
+1 any when f(A) >0
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D
-1 any when f(A) >0
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Solution
The correct option is B -1
X=A−Aθis a skew hermitian(∵Xθ=(A−Aθ)θ=Aθ−A=−X)f(X)=−1
-1
X=A−Aθis a skew hermitian(∵Xθ=(A−Aθ)θ=Aθ−A=−X)f(X)=−1
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