Q5 Matrices and Determinants Question E Explanation Video If n 2 is an integer cos (2n/n) sin (...
79 views · Published 11 October 2018 · 6:10 · Indexed 26 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW Q5 Matrices and Determinants Question E Explanation Video If n 2 is an integer cos (2n/n) sin (2t/m) 01 A -sin (21/n) cos (2m/n) 0 and I is the identity matrix of order 3. Then 1) A I and A 1 2) Arn I for any positive integer m 3) Ais not invertible 4) Am 0 for a positive integer m O Discuss Mark for review
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