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GATE 2016 Set 2 Question No 6
+1
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The question is quite simple but :
I wanted to confirm ,
What isthe Eigen values of the matrix A are 1, 2, 4. Then What is the determinant of transpose matrix of "inverse of A"
1/8 is my answer
asked
Oct 4, 2016
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Linear Algebra
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Prasad Pisal
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Yup, the answer is 1/8.
Given that 1,2,4 are eigen values of A ⇒ A = 8 and
inv(A) = 1/A = 1/8
and Det(A)= Det(Tranpose A)
So, it will be 1/8 = 0.125
answered
Oct 8, 2016
by
Shashank Shekhar 2
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