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If vec a xx (vec bxxvec c)+(vec a*vec b...

If `vec a xx (vec bxxvec c)+(vec a*vec b)vec b=(4-2beta-sinalpha)vec b+(beta^2-1)vecc` and `(vec c *vec c)vec a=vec c,vec b,vec c` being non-collinear then

A

`x=1`

B

`x=-1`

C

`y=(4n+1)(pi)/(2), ninI`

D

`y=(2n+1)(pi)/(2), ninI`

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The correct Answer is:
A, C
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ARIHANT MATHS-PRODUCT OF VECTORS-Exercise (More Than One Correct Option Type Questions)
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