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Find the scaslars alpha and beta if veca...

Find the scaslars `alpha and beta` if vecaxx(vecbxxvecc)+(veca.vecb)vecb=(vec4-2beta-sinalpha)vecb+(beta^2-1)vecc and (vecc.vecc)veca=vecc where vecb and vecc are non collinear and `alpha, beta` are scalars

A

`alpha=(pi)/(2),beta=-1`

B

`alpha=(pi)/(3), beta=-1`

C

`alpha=(pi)/(3), beta=1`

D

`alpha=(pi)/(2), beta=1`

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AAKASH INSTITUTE-VECTOR ALGEBRA-ASSIGNMENT (SECTION-B)
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