1.
Let A=abcpqrxyzA = \begin{vmatrix} a & b & c \\ p & q & r \\ x & y & z \end{vmatrix} and suppose A=6A = 6. If B=p+xq+yr+za+xb+yc+za+pb+qc+rB = \begin{vmatrix} p+x & q+y & r+z \\ a+x & b+y & c+z \\ a+p & b+q & c+r \end{vmatrix}, then B=B =