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Example 3 - Evaluate determinant - Class 12 CBSE NCERT - Examples

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Example 3 - Chapter 4 Class 12 Determinants - NCERT Book Evaluate the determinant △ = |1 2 4 -1 3 0 4 1 0| △ = |1 2 4 -1 3 0 4 1 0| = 1 |3 0 1 0| - 2 |-1 0 4 0| + 4 |-1 3 4 1| = 1 (3(0) - 1(0) - 2 (-1(0) - 4(0)) + 4 (-1(1) - 4(3)) = 1(0) - 2 (0) + 4 (-1 - 12) = 0 + 0 + 4(-13) = -52

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.