Megan 4.2.1 b. pt1 on line 1 v1 + 0 v2 + 0 v3 pt2 on line 0 v1 + 0 v2 + 1 v3 c. 0 v1 + .5 v2 + .5 v3 4.2.4 a. Ã1^2 + 2 ^ 2 + .5^2 Ã5.25 Normalized a = (1/Ã5.25, -2/Ã5.25, .5/Ã5.25) b. sqrt.(64+36) 10 Normalized a = (8/10, 6/10) c. 5 Normalized a= (4/5, 3/5) 4.3.2 cosine x = = .52623 + .78935 = 1.31558 x = 1.31558/ cos sqrt 14 and sqrt 19 cos x = = .2672 * .68824 = .18389 = .80178 * .68824 = .55181 = -.5345 * .2294 = -.1226 = .6130857 cos x = .6130857 4.3.3 All points with (0,0,0) and points (2,1,1) (1,-2,0) 4.3.14 4.4.4 AxB = ( 1 bz 3 by) + (3bx 2bz) + (2by 1bx) = (2,-4,0) B= (2,1,5) 4.4.9 a. A= (0,1,0) B=(2,-1,3) AxB =(3-0) + (0-0) + (0-1(2)) (3,0,-2) b. A= (-16, -18, -14) B= (-7, -7, -6) AxB = (-18*-6 14*7) + (-14*-7 96) + (112 126) (10,2,-14) c. A=(-4,-2,3) B=(-6,-3,4) AxB = (-8 + 9) + (-18 + 16) + (12-12) (1,-2,0) d. this one does not be the points prevarication on stra...If you want to get a full-of-the-moon essay, post it on our website: OrderEssay.net
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