rw [div_mul_cancel₀ _ (ne_of_gt (rpow_pos_of_pos hx (1/ε)))]
𝕂 : Type u_1
inst✝ : _root_.RCLike 𝕂
Ψ : ℝ → ℝ
mass_one : ∫ (x : ℝ) in Ioi 0, Ψ x / x = 1
ε : ℝ
εpos : 0 < ε
x : ℝ
hx : x ∈ Ioi 0
⊢ Ψ (x ^ (1 / ε)) / x ^ (1 / ε) * x ^ (1 / ε) / x * (1 / ε) = ?m.397745
no goals