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Let A,B and C be the unit vectors . Sup...

Let A,B and C be the unit vectors . Suppose that A.B=A.C =0 and the angle between B and C is `(pi)/(6)` then prove that `A = +-2(BxxC)`

A

`pm 2( bxx c)`

B

`2( bxxc)`

C

`pm(1)/(2)(b xxc)`

D

`-(1)/(2)(bxxc)`

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A
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ML KHANNA-ADDITION AND MULTIPLICATION OF VECTORS -Problem Set (2) (MULTIPLE CHOICE QUESTIONS)
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  16. If unit vectors veca and vecb are inclined at an angle 2 theta such th...

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  17. Lelt two non collinear unit vectors hata and hatb form and acute angle...

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  18. For any vector veca |veca xx hati|^(2) + |veca xx hatj|^(2) + |vec...

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  19. If |a| = |b|, then (a +b). (a-b) is

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