JEE PYQ: Vector 3D Question 11
Question 11 - 2021 (18 Mar Shift 1)
Let the plane $ax + by + cz + d = 0$ bisect the line joining the points $(4, -3, 1)$ and $(2, 3, -5)$ at the right angles. If $a, b, c, d$ are integers, then the minimum value of $(a^2 + b^2 + c^2 + d^2)$ is ______.