" (ii) "|[x,y,z],[x^(2),y^(2),z^(2)],[yz,zx,xy]|=|[1,1,1],[x^(2),y^(2),z^(2)],[x^(3),y^(3),z^(3)]|

" (d) "|[x,y,z],[x^(2),y^(2),z^(3)],[yz,zx,xy]|=|[1,1,1],[x^(3),y^(2),z^(2)],[x^(3),y^(3),z^(3)]|

proof |[x,y,z],[x^(2),y^(2),z^(2)],[yz,zx,xy]| = |[1,1,1],[x^(2),y^(2),z^(2)],[x^(3),y^(3),z^(3)]|

|[1/x,1/y,1/z],[x^(2),y^(2),z^(2)],[yz,zx,xy]|

Without expending, prove that : (i) |{:(b^(2)c^(2),bc,b+c),(c^(2)a^(2),ca,c+a),(a^(2)b^(2),ab,a+b):}|=0 (ii) |{:(x,y,z),(x^(2),y^(2),z^(2)),(yz,zx,xy):}|=|{:(1,1,1),(x^(2),y^(2),z^(2)),(x^(3),y^(3),z^(3)):}| (iii) |{:(1,2x,x^(2)-yz),(1,y,y^(2)-zx),(1,z,z^(2)-xy):}| ("Taking 2, 3 and "2/3"common from "C_(1),C_(2)" and "C_(3)" repectively") =4xx49 ["from eq.(1)"] =198. (iv) |{:(sinx,cosx,sin(x+alpha)),(siny,cosy,sin(y+alpha)),(sinz,cosz,sin(z+alpha)):}|=0

Prove that |[x,y,z] , [x^2, y^2, z^2] , [yz, zx, xy]| = |[1,1,1] , [x^2, y^2, z^2] , [x^3, y^3, z^3]|

|[yz,x,x^(2)],[zx,y,y^(2)],[xy,z,z^(2)]|=|[1,x^(2),x^(3)],[1,y^(2),y^(3)],[1,z^(2),z^(3)]|

Prove that |{:(x,y,z),(x^2,y^2,z^2),(yz,zx,xy):}|=|{:(1,1,1),(x^2,y^2,z^2),(x^3,y^3,z^3):}|=(x-y) (y-z) (z-x) (xy+yz+zx)

Prove that |{:(x,y,z),(x^2,y^2,z^2),(yz,zy,xy):}|=|{:(1,1,1),(x^2,y^2,z^2),(x^3,y^3,z^3):}|=(y-z)(z-x)(x-y)(yz+zy+xy)

Show that, |[1,x,yz],[1,y,zx],[1,z,xy]|=|[1,x,x^(2)],[1,y,y^(2)],[1,z,z^(2)]|

Prove that quad det ([yx-x^(2),zx-y^(2),xy-z^(2)zx-y^(2),xy-z^(2),yz-x^(2)xy-z^(2),yz-x^(2),zx-y^(2)]) is divisible by (x+y+z) and hence find the quotient.