Equation Icon  ( ) ρ ρℰ ρtot = ρ 1 + 2λ-+ ρ-- , (389 ) ptot = p + ρ-(2p + ρ) + ρℰ-, (390 ) ( 2λ ) 3 qtot= q 1 + ρ- + qℰ, (391 ) μ μ ( λ μ) tot ρ + 3p ℰ πμν = πμν 1 − ------- + πμν, (392 ) 2λ