Supplementary Example 3 - Show vectors a, b, c are coplanar - 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 Example 3 Show that the vectors = 4 6 2 , = + 4 + 3 and = 8 + 3 are coplanar Three vectors , , are coplanar if = 0 Given, = 4 6 2 = + 4 + 3 = 8 + 3 = 4 6 2 1 4 3 8 1 3 = 4 4 3 ( 1 3) ( 6) 1 3 ( 8 3) + ( 2) 1 1 ( 8 4) = 4 12+3 +6 3+24 2 1+32 = 4(15) + 6 (21) 2(33) = 60 + 126 66 = 0 Since = 0 Vectors , , are coplanar

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