A metal strip of 44 inches long is to be cut in 2 pieces. the smaller piece to be 12 inches shorter than the larger piece. find
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Answer:
Observe that if the vector is in W then it satisfies:
This means that each vector in W can be expressed as a linear combination of the vectors
Also we can see that those vectors are linear independent. Then the set
is a basis for W and the dimension of W is 2.