x,y,z ∈Z+ ve x+(1/(y+1/z))=23/4 ise x.y.z kaçtır?

https://chart.apis.google.com/chart?...3%7D%7B4%7D%20,
x=5

https://chart.apis.google.com/chart?...1%7D%7B3%7D%20
y=1, z=3