`(xtimesxtimesx+ytimesytimesy)/(xtimesx-xtimesy+ytimesy)=`

Let x, y, z be the vector, such that |x|=|y|=|z|=sqrt(2) and x, y, z make angles of 60^(@) with each other also, xtimes(ytimesz)=a and ytimes(ztimesx)=b xtimesy=c, . The value of z is

Solve- xtimesx^2 times x^3 times x^4