If A is 2 x 2 invertible matrix such that `A=adjA-A^-1` Statement-I `2A^2+I=O`(null matrix)...
161 views · Published 11 October 2018 · 4:55 · Indexed 1 October 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW If A is 2 x 2 invertible matrix such that `A=adjA-A^-1` Statement-I `2A^2+I=O`(null matrix) Statement-II: 2|A|=1 (i) Statement-I is true, Statement-II is true; Statement-II is a correct explanation for Statement-I (2) Statement-I is true, Statement-II is true; Statement-II is not a correct explanation for Statement-I. 3) Statement-I is true, Statement-II is false. (4) Statement-I is false, Statement-II is true.
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