Let `A= [[a,b,c],[b,c,a],[c,a,b]]` is an orthogonal matrix and `abc = lambda (lt0).`  The value of `
Channel: Doubtnut
Date: 2020-05-24

Let `A= [[a,b,c],[b,c,a],[c,a,b]]` is an orthogonal matrix and `abc = lambda (lt0).`  The value of ` a^(3) + b^(3)+c^(3)` is