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Let a,b,c be three non-coplanar vectors ...

Let a,b,c be three non-coplanar vectors and d be a non-zerro vector, which is perrpendicular to a+b+c. now, if `d=(sin x)(axxb)+(cosy)(bxxc)+2(cxxa)`, then the minimum value of `(x^(2)+y^(2))` is

A

`pi^(2)`

B

`(pi^(2))/(2)`

C

`(pi^(2))/(4)`

D

`(5pi^(2))/(4)`

Text Solution

Verified by Experts

The correct Answer is:
D
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