2nd Order Linear Homogeneous Differential Equations 4
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Uploader Comments (khanacademy)
Top Comments
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You should teach teachers how to teach.
3 years ago 55
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all this videos are helping me a lot, thanks khanacademy :)
pd: i'm taking this at second semester (1º year) of undergraduate physics here
2 years ago 8
All Comments (52)
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This is just A level math, nothing fancy
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@khanacademy i found this after 2 months in my first university calculus course
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r=-1/2 not r=1/2
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@khanacademy dayumm serious? after first year uni? we do this at a level if i am not mistaken
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@opjjuly ohh im silly, got it. :-)
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isn't b = -8 ? why did you leave the -ve sign when substituting the values into the quadratic equation?
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Do you have a video for when the equation is equal to an exponential?
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Sal my man it IS a trivial one to factor (2x-1)(2x-3). its all good you are my hero! if i ever get extra monies its goin to khan academy!
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Is this something you'd do in a university calculus class? What level is this at?
SteadyHaze 3 years ago 2
You would normally take this after taking a year of calculus at the university level.
khanacademy 3 years ago 4