Prove that the area of this region in the plane is equal to the value of this

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Prove that the area of this region in the plane
Prove that the area of this region in the plane
is

is equal to the value of this determinant.

Prove that the area of this region in the plane
is

Compare with this.

Prove that the area of this region in the plane
is
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Linear Algebra

ISBN: 9780982406212

1st Edition

Authors: Jim Hefferon

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