Cho ánh xạ tuyến tính f : 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 b(1 ) ( -5,6,4) =

f b(2 ) ( -8,5,2) =

f b( 2) ( -9, -2, -5) =

a. Tìm ma trận A=[F]e3'= , từ đó suy ra biểu thức của f(x1,x2,x3)

Which of the following is a proper fraction? a. 9⁄8 b. 5⁄6 c. 7⁄3 d. 4⁄2

1. what expression would be the same as 6x+x+0 2. find the prime factorization of 60 3. write the expression for 6 + x in words.

Match the scale and the actual area to the area of the corresponding scale drawing. scale: 1 inch to 4 feet actual area: 128 square feet scale: 1 inch to 7 feet actual area: 147 square feet scale: 1 inch to 8 feet actual area: 256 square feet scale: 1 inch to 5 feet actual area: 225 square feet area of scale drawing scale and actual area scale drawing area: 3 square inches arrowright scale drawing area: 8 square inches arrowright scale drawing area: 4 square inches arrowright scale drawing area: 9 square inches arrowright