Mathematics, 15.06.2021 20:10 cat706
Cho ánh xạ tuyến tính ƒ:R^3—›R^3 và hai cơ sở của R^3
B={b1=(1,3,3),b2=(—7,6,5),b3=(1,2,2 )}, C={c1=(2,-4,3),c2=( -5,-1,-5),c3=(1,0,1)}
Biết f(b1)=(—5,6,4), f(b2)=(-8,5,2), f(b3)=(-9,-2,6)5)
a. Tìm mạ trận A =[f]E3 , từ đó suy ra biểu của f(x1,x1,x3)
b. Tìm ma trận [f]B
c. Từ [f]B, hãy tính ma trận [f]C/B
d. Cho vector z =(-2,3,7), hay tính [x]B, và suy ra [f(x)]c
Answers: 1
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Nick and nora are married and have three children in college. they have an adjusted gross income of 47,400. if their standard deduction is 12,600 itemized deductions are 14,200 and they get an exemption of 4000 for each adult and each dependent what is their taxable income
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Cho ánh xạ tuyến tính ƒ:R^3—›R^3 và hai cơ sở của R^3
B={b1=(1,3,3),b2=(—7,6,5),b3=(1,2,2 )}, C={c...
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