Ex 25, 13 If x y z = 0, show that x3 y3 z3 = 3xyz We know that x3 y3 z3 3xyz = (x y z) (x2 y2 z2 xy yz zx) Putting x y z = 0, x3 y3 z3 3xyz = (0) (x2 y2 z2 xy yz zx) x3 y3 z3 3xyz = 0 x3 y3 z3 = 3xyz Hence proIf $ x^2y^2z^2 =3 $ prove that $3(xyz)\ge 3xyyzxzx^2yy^2zz^2x $ Stack Exchange Network Stack Exchange network consists of 178 Q&A communities including Stack Overflow, the largest, most trusted online community for developersBasically, you substitute the value of X, Y, and Z in the given equation X=0 Y=400 Z=600 X^3=(0)^3= Y^3=(400)^3= Z^3=(600)^3= 3*XYZ=3*0*400*600= X^3Y^3Z^33XYZ= =
If X Y Z 9 And Xy Yz Zx 23 The Value Of X 3 Y 3 Z 3 3xyz
