Let A be a square matrice the |kA| is equal to
Srijan , 12 Years ago
Grade Upto college level
Algebra> Let A be a square matrice the |kA| is equ...
1 Answers
Latika Leekha
For an n x n matrix, we have det (kA) = kndet (A)
hence, since A is a 2 x 2 matrix, we have |kA| = k2 |A|.
Since while computing the determinant, k can be taken as common from each row)
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Latika Leekha
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