Supplementary Q6 - Prove i.(k x j) = j.(ixk) = k.(jxi) = -1 - Supplementary examples and questions from CBSE

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  1. Chapter 10 Class 12 Vector Algebra
  2. Serial order wise
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Supplementary Exercise Q6 if , and are three mutually perpendicular vectors, prove that . = . = .( ) = 1 Here, = 1 + 0 + 0 = 0 + 1 + 0 = 0 + 0 + 1 . = = 1 0 0 0 0 1 0 1 0 = 1(0 1) 0(0 0) + 0(0 0) = 1 . = = 0 1 0 1 0 0 0 0 1 = 0(0 0) 1(1 0) + 0(0 0) = 1 . = = 0 0 1 0 1 0 1 0 0 = 0(0 0) 0(0 0) + 1(0 1) = 1

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