Question 15 - CBSE Class 12 Sample Paper for 2022 Boards (MCQ Based - for Term 1) - Solutions of Sample Papers and Past Year Papers - for Class 12 Boards

Last updated at Dec. 16, 2024 by Teachoo

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

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

Ques 15 (MCQ) - For matrix A = [2 5 −11 7], (𝑎𝑑𝑗𝐴)′ is equal to: - CBSE Class 12 Sample Paper for 2022 Boards (MCQ Based - for Term 1)

part 2 - Question 15 - CBSE Class 12 Sample Paper for 2022 Boards (MCQ Based - for Term 1) - Solutions of Sample Papers and Past Year Papers - for Class 12 Boards - Class 12

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Transcript

Question 15 For matrix A = [■8(2&5@−11&7)], (adj A)’ is equal to (a) [■8(2&5@−11&7)] (b) [■8(7&5@11&2)] (c) [■8(7&11@−5&2)] (d) [■8(7&−5@11&2)] A =[■8(2&5@−11&7)] Now, adj A = [■8(2&5@−11&7)] =[■8(𝟕&−𝟓@𝟏𝟏&𝟐)] Thus, (adj A)’ = [■8(7&11@−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 14 years. He provides courses for Maths, Science and Computer Science at Teachoo

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