pederklev's channel
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2 weeks ago
Differential Equations: Separation of Variables
This video provides several examples of how to solve a DE using the technique of separation of variables.
website: http://mathispower4u.com
blog: ...
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3 weeks ago
Determining Curvature of a Curve Defined by a Vector Valued Function
This video explain how to determine the curvature of a curve at a given point.
pederklev
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1 month ago
testing symmetry in a polar graph
An example of testing for three kinds of symmetry in a polar graph. Note: these are not the only symmetries a polar graph can have, nor are these t...
pederklev
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1 month ago
Precalculus - Symmetry of Polar Graphs
Free Math Help at Brightstorm! http://www.brightstorm.com/... How to determine if the graph of a polar equation is symmetric about the x-axis.
pederklev
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1 month ago
DIY Potato Cannon Explodes Fail
DIY Potato cannon filled with butane explodes out the wrong end, the potato did not even leave the barrel. The end cap left a small crater in the g...
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1 month ago
Just Nuts - Smarter Every Day 44
Have you ever seen a cashew apple? They're delicious.
I messed up my latest video and decided to refilm some of it. This means random stuff I lea...
About pederklev's channel
@fanciful If I'm not mistaken, the order of the x-product won't matter since r'xr'' = -(r''xr'), and when you find the magnitude of the cross, you square each part of it making positive/negative irrelevant.