If `A+I_3=[[1,3,4],[-1,1,3],[-2,-3,1]]`, evaluate `(A+I_3)(A-I_3)`, where `I_3` represents `3xx...
55 views · Published 11 October 2018 · 4:25 · Indexed 5 October 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW If `A+I_3=[[1,3,4],[-1,1,3],[-2,-3,1]]`, evaluate `(A+I_3)(A-I_3)`, where `I_3` represents `3xx3` unit matrix.
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