DefinePK hosts the largest index of Pakistani journals, research articles, news headlines, and videos. It also offers chapter-level book search.
2021-03-10 09:48:52
00:04:19
Urdu
Video content is provided via the
YouTube platform.
All rights and ownership belong to the original content creator.
Source channel:
Khan Academy
Keep going! Check out the next lesson and practice what you’re learning:
https://www.khanacademy.org/math/precalculus/x9e81a4f98389efdf:matrices/x9e81a4f98389efdf:matrices-as-transformations/v/finding-area-of-figure-after-transformation-using-determinant
The determinant of a 2X2 matrix tells us what the area of the image of a unit square would be under the matrix transformation. This, in turn, allows us to tell what the area of the image of any figure would be under the transformation.