Use Exercise 7.1.32(c) to find the dual basis for:
(a)

(b)

(c)

(d)

(e)

Exercise 7.1.32(c)
Prove that if V = Rn and A = (v1 v2 ... vn) is the n × n matrix whose columns are the basis vectors, then the rows of the inverse matrix A-1 can be identified as the corresponding dual basis of (Rn)*.

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