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JEE Advanced 2020 Full Test 4 Paper 1

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Question : 53 of 54
 
Marks: +1, -0
→
a
,
→
b
 and
→
c
 be three non − coplanar vectors, and
→
d
 be a non zero vector, which is perpendicular to (
→
a
+
→
b
+
→
c
). Now if
→
d
=sin‌x(
→
a
×
→
b
)+cos‌y(
→
b
×
→
c
)+2(
→
c
×
→
a
), then minimum value of x2+y2 is equal to ‌
λπ2
4
, where λ is
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