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Vector Algebra

Section: Mathematics
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Question : 14 of 38
 
Marks: +1, -0
Let
→
a
 and
→
b
 be two unit vectors such that
→
a
→
b
=0.For some x,y∊ℝ,let
→
c
=x
→
a
+y
→
b
+(
→
a
×
→
b
).If |
→
c
|=2 and the vector
→
c
 is inclined at the same angle α to both
→
a
 and
→
b
, then the value of 8cos2α is
[JEE Adv 2018 P1]
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