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UPSEE Solved Model Paper 8

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Question : 146 of 150
 
Marks: +1, -0
Let the vectors
→
a
,
→
b
,
→
c
 and
→
d
 be such that (
→
a
×
→
b
)×(
→
c
×
→
d
) =
→
0
.
Let P1 and P2 be planes determined by the pairs of vectors
→
a
,
→
b
 and
→
c
,
→
d
 respectively, then the angle between P1 and P2 is
Validate
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