In Exercises 21 and 22, mark each statement True or False. Justify each answer. 22. a. A linearly independent set in a subspace H is a basis for H . b. If a finite set S of nonzero vectors spans a vector space V , then some subset of S is a basis for V . c. A basis is a linearly independent set that is as large as possible. d. The standard method for producing a spanning set for Nul A , described in Section 4.2, sometimes fails to produce a basis for Nul A . e. If B is an echelon form of a matrix A , then the pivot columns of B form a basis for Col A .
In Exercises 21 and 22, mark each statement True or False. Justify each answer. 22. a. A linearly independent set in a subspace H is a basis for H . b. If a finite set S of nonzero vectors spans a vector space V , then some subset of S is a basis for V . c. A basis is a linearly independent set that is as large as possible. d. The standard method for producing a spanning set for Nul A , described in Section 4.2, sometimes fails to produce a basis for Nul A . e. If B is an echelon form of a matrix A , then the pivot columns of B form a basis for Col A .
In Exercises 21 and 22, mark each statement True or False. Justify each answer.
22. a. A linearly independent set in a subspace H is a basis for H.
b. If a finite set S of nonzero vectors spans a vector space V, then some subset of S is a basis for V.
c. A basis is a linearly independent set that is as large as possible.
d. The standard method for producing a spanning set for Nul A, described in Section 4.2, sometimes fails to produce a basis for Nul A.
e. If B is an echelon form of a matrix A, then the pivot columns of B form a basis for Col A.
Quantities that have magnitude and direction but not position. Some examples of vectors are velocity, displacement, acceleration, and force. They are sometimes called Euclidean or spatial vectors.
Introductory and Intermediate Algebra for College Students (5th Edition)
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