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For matrix A = [8(2 5 -11 7)], (adj A)’ is equal to

(a) [8(2 5 -11 7)]Β  Β  (b) [8(7 5 11 2)]
(c) [8(7 11 -5 2)] Β Β  (d) [8(7-5 11 2)]



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Question 15 For matrix A = [β– 8(2&[email protected]βˆ’11&7)], (adj A)’ is equal to (a) [β– 8(2&[email protected]βˆ’11&7)] (b) [β– 8(7&[email protected]&2)] (c) [β– 8(7&[email protected]βˆ’5&2)] (d) [β– 8(7&βˆ’[email protected]&2)] A =[β– 8(2&[email protected]βˆ’11&7)] Now, adj A = [β– 8(2&[email protected]βˆ’11&7)] =[β– 8(πŸ•&βˆ’πŸ“@𝟏𝟏&𝟐)] Thus, (adj A)’ = [β– 8(7&[email protected]βˆ’5&2)] So, the correct answer is (C)

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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.