Question

1/x+y+z=1/x+1/y+1/z find value of x

Answer 1

y+ 1/z = 1 so y= 1- 1/z

x+ 1/y = 1 so x= 1- 1/y = 1- 1/(1-1/z)

so xyz = [ 1- 1/( 1-1/z) ] * [ 1- 1/z] *z

= [ 1- z/( z-1) ] * (z- 1) /z * z

=( z- 1- z)/z-1 *(z-1 )

= -1 answer

Answer 2

Hope it helps. The given attachment shall be sufficient.