- #1
knightq
- 23
- 0
the present time of matter dominated universe for [tex]\Omega_{0}>1[/tex] is :
[tex]t_{0}=H_{0}^{-1}\frac{\Omega_{0}} {2(\Omega_{0}-1)^{3/2}}[cos^{-1}(2\Omega_{0}^{-1}-1)-\frac{2}{\Omega_{0}}(\Omega_{0}-1)^{1/2}][/tex]
how to expand this at[tex]\Omega_{o}=1[/tex]??help me
[tex]t_{0}=H_{0}^{-1}\frac{\Omega_{0}} {2(\Omega_{0}-1)^{3/2}}[cos^{-1}(2\Omega_{0}^{-1}-1)-\frac{2}{\Omega_{0}}(\Omega_{0}-1)^{1/2}][/tex]
how to expand this at[tex]\Omega_{o}=1[/tex]??help me