For matrix A = [8(2 5 -11 7)], (adj A)β 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)]
Last updated at Sept. 4, 2021 by
Transcript
Question 15 For matrix A = [β 8(2&5@β11&7)], (adj A)β is equal to (a) [β 8(2&5@β11&7)] (b) [β 8(7&5@11&2)] (c) [β 8(7&11@β5&2)] (d) [β 8(7&β5@11&2)] A =[β 8(2&5@β11&7)] Now, adj A = [β 8(2&5@β11&7)] =[β 8(π&βπ@ππ&π)] Thus, (adj A)β = [β 8(7&11@β5&2)] So, the correct answer is (C)
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CBSE Class 12 Sample Paper for 2022 Boards (MCQ Based - for Term 1)
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