I_{1} 4 π ρ_{1}^{2} = I_{2} 4 π ρ_{2}^{2} = I 4 π ρ^{2} = c o n s t

${I_1 4 \pi \rho_1^2= I_2 4 \pi \rho_2^2= I 4 \pi \rho^2= \mathrm{const}}$

Error