Example 8 - Chapter 4 Class 12 Determinants
Last updated at Dec. 16, 2024 by Teachoo
Last updated at Dec. 16, 2024 by Teachoo
Example 8 Find the minor of element 6 in the determinant ฮ = |โ 8(1&2&3@4&5&๐@7&8&9)| Since 6 lies in the second row and third column, i.e. a23 = 6 Minor of a23 = M23 = |โ 8(1&2&3@4&5&๐@7&8&9)| = |โ 8(1&2@7&8)| = 8 โ 14 = โ 6 Thus, minor of element 6 is โ6.
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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo