skew-symmetric not skew-symmetric Need Help? ed Talk to a Tuter 10. -1 points A

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skew-symmetric not skew-symmetric Need Help? ed Talk to a Tuter 10. -1 points A square matrix is called skew-symmetric if AT--A If A and B are skew-symmetric 2 × 2 matrices, under what conditions is AB skew-symmetric? AB is skew-symmetric if and only if A-B. AB is skew-symmetric if and only if A and B are also symmetric. AB is skew-symmetric if and only if èither A or B is the identity matrix. AB is skew-symmetric if and only if either A or B is the zero matrix. AB is skew-symmetric if and only if AB BA. Need Help? Submiltl Assignment Save Assignment Progress 3 4 5 6 7

Explanation / Answer

AB is skew symmetric if and only if either A or B is the identity matrix because priduct of 2×2 skew symmetric matrix is a diagonal matrix.

OPTION 3 ONLY IS VALID.

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