4th.q 4 . If x , y , z are in A . P . then the value of x + y - z y + z - x is ( A ) 8 yz - 3 y 2 - 4 z 2 ( B ) 4 xz - 3 y 2 ( C ) 8 xy - 4 x 2 - 3 y 2 ( D ) 10 xz - 3 x 2 - 3 z 2 4 . If x , y , z are in A . P . then the value of x + y - z y + z - x is ( A ) 8 yz - 3 y 2 - 4 z 2 ( B ) 4 xz - 3 y 2 ( C ) 8 xy - 4 x 2 - 3 y 2 ( D ) 10 xz - 3 x 2 - 3 z 2 Share with your friends Share 0 Shruti Tyagi answered this Dear student, =143x-x+3z-z-x+3z=14-3x+9xz+zx-3z2=14-3x+10zx-3z2thus the value of x+y-zy+z-x is 14-3x+10zx-3z2 Regards 1 View Full Answer