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Choánhxạtuyếntính f :R3 →R3 vàhaicơsởcủa R3 : B={b1 =(1,3,3),b2 =(−n,6,5),b3 =(1,2,2)}, C ={c1 =(2,−n+3,3),c2 =(−5,−1,−5),c3 =(1,0,1)}. Biết: f(b1)=(−5,6,4), f(b2)=(−8,5,2), f(b3)=(−9,−2,−5). a. Tìmmatrận A=[f]E3 ,từđósuyrabiểuthứccủa f(x1,x2,x3).
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Choánhxạtuyếntính f :R3 →R3 vàhaicơsởcủa R3 : B={b1 =(1,3,3),b2 =(−n,6,5),b3 =(1,2,2)}, C ={c1 =(2,−...
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