# Consider the basis #e_1 = (−2,4,−1)#, #e_2 = (−1,3,−1)# and #e_3 = (1,−2,1)# of #R^3# over #R#. Find the dual basis of #{e_1, e_2, e_3}#.?

##### 1 Answer

Feb 11, 2018

#### Answer:

See below.

#### Explanation:

Calling

or

form the dual basis.