JEE PYQ: Vector 3D Question 71
Question 71 - 2019 (11 Jan Shift 2)
If the point $(2, \alpha, \beta)$ lies on the plane which passes through the points $(3, 4, 2)$ and $(7, 0, 6)$ and is perpendicular to the plane $2x - 5y = 15$, then $2\alpha - 3\beta$ is equal to:
(1) $12$
(2) $7$
(3) $5$
(4) $17$