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Let A be a square matrice the |kA| is equal to

Let A be a square matrice the |kA| is equal to

Grade:Upto college level

1 Answers

Latika Leekha
askIITians Faculty 165 Points
6 years ago
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)
Thanks & Regards
Latika Leekha
askIITians Faculty

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