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MAT 2113 Test 4 Sp20 Name You must show all work to receive full credit. 1. Find the coordinate matrix of x relative to the n
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1. B = q (1, 4, 6), (8, 11,0), (7,0,10)) X =(3, 19,2) (3,19, 2) = 4(1,4,6) + 42 (8,1190) tez (7,0,10) e, C C are arbitrary wG+82 +72 73 o 4G+ 11 C2 = 19 C₂ = 19-49 - 64 +10 G 22 7 34+563 21. 5 4 2 1-34 from ☺ - 4+ 8 (19-44) 761 > llat 152-32 G +7(1-و ها (2) - 2 در را در ر2 = C زهراار%) 1 + (6ر14) زارا (7) (1) - = (2 ا ارد) و coordinate matter of V. to the norstanderd base(1,1,1) ? (1,2,)+1(0,1,0) 41 (1,0,1). 0,1,0) = 04 (1,2,3) + d2 (0,1,0). tdz (1,0,1) > (1,1,0) = (de td3 , 2d7 +d, & 301 + 3)(1,0,0) = 6) (1,2,3)+1(0,1,0)+261,0 & matrie į To - 1 1 2 1 4. U=(-1, 1, 2) v = (-2,3,1). a) Iv 12 = vw=(-2,3,1). (-2,3,1) +1aux vd u = (-1,1,2) V= (-2,3, V dlu, uz llu-vll hat Now, u-va (1,-2, 1). 11u-vil 12+(-28²+12=6. o so llu-vil = 56. e proj ua5. uo (4,1-3) v= 10, 3, 1) v) = 2y Vitu,v +24₂3 a) <u, v7 = 24480 ) + (1X3)+2 (-3)*1) = 280 + 3 - 2(341) 30+3–(2X3) 20+3-6 -3

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