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Show that |(-a^2, ab, bc), (ab, - b^2, bc), (ac, bc, - c^2)| = 4a^2b^2c^2

+3 votes

asked Apr 3, 2019 in Class 12 by kratos

Show that |(-a2, ab, bc), (ab, - b2, bc), (ac, bc, - c2)| = 4a2b2c2

cbse
class-11
matrices
determinants
class-12

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1 Answer

+3 votes

answered Nov 24, 2020 by kratos

Best answer

= a2b2c2|(-1, 1, 1), (1, - 1, 1), (1, 1, - 1)| = 4a2b2c2

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