If the vectors →a, →b, →c and →d are coplanar, then (→a×→b)×(→c×→d) is equal to
A
→a+→b+→c+→d
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
→0
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
→a+→b=→c+→d
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
None of these
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is B→0 Since →a,→b,→c,→d are coplanar, the cross products →a×→b and →c×→d is a vector same for both. ⇒ their cross product will become 0 since the sine of angle between becomes 0.