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? finda unit vector In to each one of the VC- ctors i a'=49-9t3k I' = 3itzj-k ans: a = 45-913k T= 'x5 = a.bsinoin is = 2'x la' x 6' & - g ic a'x6 = 4 -1 3 3 2-1 = ((1-6)-j(-4-9) +k (8+3) = si+135+11K
=55 n : _ _ V 315
? Find the direction of in unit vector the cireciion of VCC-00AB where A (1,2,3).B(2,3,5) are the given points? ans: A (1.2,3) 3(2,3,5) y 0(2,315) 0 DC AB = PV of B - pv Of A
AB : = it 3+2K n = AT3 = i +9+2K ABI 11/56 = (i+j+2R)
? Find a vegor in the direction of vector 29-944 which has magnitude 4 units? ans : A = - ^ A - A 1 = (21-3+42) IA'l 521 Required vector 4A = F21
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Questions and Answers - Unit Vector