If `x^3=1`, prove that `Det [[a,b,c],[b,c,a],[c,a,b]]`=`(a+bx+cx^2)Det[[1,b,c],[x^2,c,a],[...
114 views · Published 11 October 2018 · 1:36 · Indexed 30 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW If `x^3=1`, prove that `Det [[a,b,c],[b,c,a],[c,a,b]]`=`(a+bx+cx^2)Det[[1,b,c],[x^2,c,a],[x,a,b]]`
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