MathematicsMedium128×since 2002Q5571If the point (α,733)\left(\alpha, \frac{7 \sqrt{3}}{3}\right)(α,373) lies on the curve traced by the mid-points of the line segments of the lines xcosθ+ysinθ=7,θ∈(0,π2)x \cos \theta+y \sin \theta=7, \theta \in\left(0, \frac{\pi}{2}\right)xcosθ+ysinθ=7,θ∈(0,2π) between the co-ordinates axes, then α\alphaα is equal to :A−-−7B7C−-−73\sqrt33D73\sqrt33Check answerSkip