Question
Question: Vector perpendicular to <img src="https://cdn.pureessence.tech/canvas_510.png?top_left_x=1102&top_le...
Vector perpendicular to 
– 
–
and in the plane of
+ + and –+ + is
A
+
B
2+ +
C
3+2+
D
4– 2–2
Answer
2+ +
Explanation
Solution
Any such vector is
l [(
– j^ –
) × {(+ j^ +) × (–+ j^ +)}