If `I, m and n` are real numbers such that `l^2 + m^2 + n^2 = 0` , then show that `[[1+l^2,lm...
68 views · Published 12 October 2018 · 5:31 · Indexed 27 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW If `I, m and n` are real numbers such that `l^2 + m^2 + n^2 = 0` , then show that `[[1+l^2,lm,ln],[lm,1+m^2,mn],[ln,mn,1+n^2]]=1`
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