Mathematics, 16.06.2021 15:50, alyssa32900
Cho ánh xạ tuyến tính 3 3 f : ℝ ℝ → và hai cơ sở của 3 ℝ : B b b n b = = = − = { 1 2 3 (1,3,3), ( ,6,5), (1,2,2)} , C c = − {c n c 1 2 3 = = = ( ), ( ), ( ) 2, 3,3 5, 1, 5 − + − − 1,0,1 } . Biết: 1 f b( ) ( 5,6,4) = − , 2 f b( ) ( 8,5,2) = − , 3 f b( ) ( 9, 2, 5) = − − − . a. Tìm ma trận 3 [ ] A f E = , từ đó suy ra biểu thức của 1 2 3 f x x x ( , , ). 2/2 b. Tìm ma trận [ ]B f . c. Từ [ ]B f , hãy tính ma trận [ ]C B f . d. Cho vector ( 2,3, ) x n = − , hãy tính [ ]B x và suy ra [ ( )]C f x .
Answers: 2
Mathematics, 21.06.2019 17:30, muhammadcorley123456
Miranda is braiding her hair. then she will attach beads to the braid. she wants 1_3 of the beads to be red. if the greatest number of beads that will fit on the braid is 12,what other fractions could represent the part of the beads that are red?
Answers: 3
Mathematics, 21.06.2019 19:00, alkaline27
Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m
Answers: 1
Cho ánh xạ tuyến tính 3 3 f : ℝ ℝ → và hai cơ sở của 3 ℝ : B b b n b = = = − = { 1 2 3 (1,3,3), ( ,6...
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