cises 15–20, write a formula for a linear functional f and
Chapter 8, Problem 19E(choose chapter or problem)
Problem 19EIn Exercises 15–20, write a formula for a linear functional f and specify a number d, so that [f : d] is the hyperplane H described in the exercise.
Let H be the column space of the matrix
That is, H = Col B. [Hint: How is Col B related to Nul BT ? See Section 6.1.]
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