diketahui vektor vektor u= (-1,4,2) dan v= (3,-2,6) tentukan vektor w yang memenuhi persamaan 5v - w -2u= u -3w
Matematika
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Pertanyaan
diketahui vektor vektor u= (-1,4,2) dan v= (3,-2,6) tentukan vektor w yang memenuhi persamaan 5v - w -2u= u -3w
1 Jawaban
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1. Jawaban CyntiaSianturi23
U = [-1,4,2] dan V= [3,-2,6]
5V - W -2U= U -3W
5[3,-2,6] - W - 2[-1,4,2] = [-1,4,2] -3W
[15,-10,30] - W - [-2,8,4] = [-1,4,2] - 3W
-W + 3W =[-1,4,2] - [15,-10,30] + [-2,8,4]
2W = [-18,22,-24]
W = [-9,11,-12]
Semoga membantuu :)