Question

show that :I b^2+c^2 a^2 a^2 I
I b^2 c^2+a^2 b^2 I
I c^2 c^2 a^2+b^2 I
=4a^2b^2c^2 where I ... I is a sign of determinant

Answer 1

can we do something like R1-R2-R3