Plz fast: 5 . If f = x y z x 2 y 2 z 2 yz zx zy and g = x - y y - z y - x , then f g is ; A xy + yz + zx B x 2 + y 2 + z 2 C x 2 + y 2 + z 2 - xy - yz - zx D None of the above . Share with your friends Share 0 Aarushi Mishra answered this f=xyzx2y2z2yzzxzyC1→xC1C2→yC2C3→zC3f=1xyzx2y2z2x3y3z3xyzxyzxyzf=xyzxyzx2y2z2x3y3z3111f=x2y2z2x3y3z3111C1→C1-C2C2→C2-C3f=x2-y2 y2-z2 z2x3-y3 y3-z3 z3001f=x-yx+y y-zy+z z2x-yx2+y2+xy y-zy2+z2+yz z3001f=x-yy-zx+y y+z z2x2+y2+xy y2+z2+yz z3001C1→C1-C2f=x-yy-zx-z y+z z2x2-z2+xy-yz y2+z2+yz z3001f=x-yy-zx-z y+z z2x-zx+z+yx-z y2+z2+yz z3001f=x-yy-zx-z y+z z2x-zx+y+z y2+z2+yz z3001f=x-yy-zx-z1 y+z z2x+y+z y2+z2+yz z3001f=x-yy-zx-z1 y+z z2x+y+z y2+z2+yz z3001Expand along R3f=x-yy-zx-zy2+z2+yz-x+y+zy+zf=x-yy-zx-zy2+z2+yz-xy+z+y+z2f=x-yy-zx-zy2+z2+yz-xy+xz+y2+z2+2yzf=x-yy-zx-z-xy-yz-zxf=x-yy-z-1z-x-1xy+yz+zxf=x-yy-zz-xxy+yz+zxfg=x-yy-zz-xxy+yz+zxx-yy-zz-x=xy+yz+zx 0 View Full Answer