If det(A) = x x^3 x^4 - 1 y y^3 y^4 - 1 = 0 z z^3 z^4 - 1 Then prove that xyz(xy + yz + xz) = (x + y + z). Share with your friends Share 0 Gursimrank 🙏 answered this Ohooo... Pic upload krde na bsdk. 1 View Full Answer