In[]:=
H[z_,h_,Ωm_,ωd_]:=100h
Ωr
4
(1+z)
+Ωm
3
(1+z)
+(1-Ωm-Ωr)
3(1+ωd)
(1+z)
​
Ωr=8
-5
10
In[]:=

1
H[z,h,Ωm,ωd]
z
Out[]=

1
4
(1+z)
12500
+
3(1+ωd)
(1+z)
12499
12500
-Ωm+
3
(1+z)
Ωm
z
100h
/