Let be a point in space and be a point on the line
Then the value of for which the vector is parallel to the plane is
Then the value of for which the vector is parallel to the plane is
- (A)✓ Correct
- (B)
- (C)
- (D)
Answer: (A)
Solution
Any point on the line can be taken as . Then . For to be parallel to the plane , it must be perpendicular to the normal vector . Thus:
JEE Advanced · 2009 · 12 Apr 2009 · Paper 1 · Single correct option