Let A = [ 1 2 4 3 1 6 k 3 2 ] . a) In terms of k , find the volume of the parallelepiped determined by the row vectors of the matrix A . b) Does your answer to (a) change if we instead consider the volume of the parallelepiped determined by the column vectors of the matrix A ? Why or why not? c) For what value(s) of k , if any, is A invertible.
Let A = [ 1 2 4 3 1 6 k 3 2 ] . a) In terms of k , find the volume of the parallelepiped determined by the row vectors of the matrix A . b) Does your answer to (a) change if we instead consider the volume of the parallelepiped determined by the column vectors of the matrix A ? Why or why not? c) For what value(s) of k , if any, is A invertible.
Solution Summary: The author explains the volume of the parallelepiped in terms of k determined by row vectors of matrix A and comparing answer with part(a).
a) In terms of
k
, find the volume of the parallelepiped determined by the row vectors of the matrix
A
.
b) Does your answer to (a) change if we instead consider the volume of the parallelepiped determined by the column vectors of the matrix
A
? Why or why not?
c) For what value(s) of
k
, if any, is
A
invertible.
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.
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