1.

If barp=(3,-1,5), barq = (1,2,-3).A vectorbarr is such that it is perpendicular to Z-axis and satisfies the conditions barr.barp = 9barr.barq= -4,then barr =

Answer»

(-2,3,0)
(2,-3,0)
(2,-3,1)
(3,-2,4)

ANSWER :B


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