Cho hệ các vector: U={(1,2,n); (0,-1,1-n); (2,3,n+1); (1,0,2-n)} a. Tìm số chiều và một cơ sở W của không gian con sinh bởi hệ vector U b. Tìm tham số k để u=(2,3,k^2+1) là một tổ hợp tuyến tính của W và suy ra [u]w

You have 6 dollars +12 pennies +to quarters + 4 dimes=2 nickels how much do you have

Adifferent website gives the cost for the first train as £56.88 and the second train as £20.11 with a £9.50 charge for cycle storage for the whole trip. how much would the journey cost you?

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches.approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *