Thanks to all of you who support me on Patreon. You da real mvps! $1 per month helps!! 🙂 https://www.patreon.com/patrickjmt !! Conic Sections: Parabolas, Part 3 ( Focus and Directrix). Just another example of finding the focus and directrix for a parabola (a slightly more involved example).

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Visit http://ilectureonline.com for more math and science lectures! In this video I will find the rate of change of the volume with respect to the radius (dV/dR=?) when R=5 and delta(R)=0.1, given V(R)=(4/3)(pi)R^3. Next video in this series can be seen at: https://youtu.be/G6EY5XQ9IAM

http://adampanagos.org Course website: https://www.adampanagos.org/ala-applied-linear-algebra Another example of finding the matrix representation of a linear transformation. In this particular example we’re given an equation that describes the result of operating on the arbitrary vector x = [x1; x2; x3] with the linear transformation T. Our job is to find the matrix representation of the linear transformation.…

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Thanks to all of you who support me on Patreon. You da real mvps! 1 per month helps!! 🙂 https://www.patreon.com/patrickjmt !! Part 1 http://www.youtube.com/watch?v=G4N8vJpf7hM This is the second video on Eigenvalues and EigenVectors. Finding…