If two liquids of same masses but densities ρ1 and ρ2 respectively are mixed, then density of mixture is given by
1
\(\rho=\frac{\rho_1 +\rho_2}{2}\)
2
\(\rho=\frac{\rho_1 +\rho_2}{2 \rho_1 \rho_2}\)
3
\(\rho=\frac{2 \rho_1 \rho_2}{\rho_1 +\rho_2}\)
4
\(\rho=\frac{ \rho_1 \rho_2}{\rho_1 +\rho_2}\)