question_answer

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 [JEE  Main Online Paper (Held on 11-jan-2019 Evening)]

A) 5                                 

B) 7     

C) 17                                

D)   12