JEE Advanced 2017 Paper 2

Section: Mathematics
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Question : 51 of 54
 
Marks: +1, -0
Let O be the origin, and
→
OX
,
→
OY
,
→
OZ
be three unit vectors in the directions of the sides
→
QR
,
→
RP
,
→
PQ
,respectively of a triangle PQR.

→
OX
×
→
OY
[JEE Adv 2017 P2]
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