Conserved vector current and decays $\tau^-\to\eta(\eta')\pi^-\pi^0\nu_\tau$

We use experimental data on e ⁺ e ⁻ → (η′)π⁺π⁻ and conservation of vector current to estimate the branching fractions of τ⁻ decay to η(η′)π⁻π⁰ν_τ. The obtained values are compared to the experimental results.