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Questions  >>  JEEMAIN and NEET  >>  Mathematics  >>  Class12  >>  Matrices
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Q)

A skew-symmetric matrix S satisfies the relation $S^2+I=0$ where $I$ is a unit matrix. Then $SS'$ is equal to

$(a)\;I\qquad(b)\;2I\qquad(c)\;-I\qquad(d)\;None\;of\;these$

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