If s is a real skew-symmetric matrix, the show that `I-S`  is non-singular and matrix  `A= (I+S)
Channel: Doubtnut
Date: 2020-05-24

If s is a real skew-symmetric matrix, the show that `I-S`  is non-singular and matrix  `A= (I+S) (I-S) ^(-1) = (I-S) ^(-1) (I+S) ` is orthogonal.