b+c-a a a a b c b c+a-b b = b c a c c a+b-c c a b
Follow Math Help Forum on Facebook and Google+
Originally Posted by sunitaparija b+c-a a a a b c b c+a-b b = b c a c c a+b-c c a b The brute force approach: Calculate . Calculate . Alternatively, you could do row operations on .
The Determinant sum has to be proved without expanding.
View Tag Cloud