selpiljy'efku lujvo

x₁=efku₁=pilji₂ is (x₂=efku₂=pilji₁)/x₄/x₄/x₄/.../x₄, divided x₃=efku₃ times, with divisor x₄=pilji₃; x₁ = x₂ / (x_4^x)

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