18. If A is a 3x3 matrix and det(34) - K (det(4) then K is1) 92) 63) 1 – InterviewSolution

1.	18. If A is a 3x3 matrix and det(34) - K (det(4) then K is1) 92) 63) 14) 27
Answer» det(kA) = k^n det (A) where n is ordersodet (3A) = 3^3 det(A)therefore k= 27,option (4) is correct

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