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Example 9 - Evaluate |102 18 36 1 3 4 17 3 6| - Class 12 CBSE - Examples

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  1. Chapter 4 Class 12 Determinants
  2. Serial order wise
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Example 9 Evaluate 102﷮18﷮36﷮1﷮3﷮4﷮17﷮3﷮6﷯﷯ ∆ = 102﷮18﷮36﷮1﷮3﷮4﷮17﷮3﷮6﷯﷯ Note that, ∆ = 𝟔(17)﷮𝟔(3)﷮𝟔(6)﷮1﷮3﷮4﷮17﷮3﷮6﷯﷯ Here 1st row is multiplied by 6 So, ∆ = 6 𝟏𝟕﷮𝟑﷮𝟔﷮1﷮3﷮4﷮𝟏𝟕﷮𝟑﷮𝟔﷯﷯ Since Row 1 & Row 3 are identical = 6 × (0) = 0 Hence, ∆ = 0

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