1.
Family of lines represented by the equation (cos⁡θ+sin⁡θ)x+(cos⁡θ−sin⁡θ)y−3(3cos⁡θ+sin⁡θ)=0(\cos\theta + \sin\theta)x + (\cos\theta - \sin\theta)y - 3(3\cos\theta + \sin\theta) = 0 passes through a fixed point MM for all real values of θ\theta. The reflection of MM in the line x−y=0x - y = 0, is