∫0∞tα-1⁢(-t⁢qα+β;q)∞(-t;q)∞⁢ⅆ⁡t=Γ⁡(α)⁢Γ⁡(1-α)⁢Γq⁡(β)Γq⁡(1-α)⁢Γq⁡(α+β),