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OpenStudy (anonymous):
Linear Algebra: Find a basis for the subspace S of R^4 consisting of all vectors of the form (a+b, a-b+2c , b, c)^T where a, b, c are all real numbers. What is the dimension of S?
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OpenStudy (anonymous):
"^T" just means that the vector is a column vector (or technically a transpose of a row vector)
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