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Dec
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comment How to 'get rid of' limit so I can finish proof?
@Callus thanks, that makes sense...i was thinking too hastily :)
Dec
4
comment How to 'get rid of' limit so I can finish proof?
@Scientifica thanks, I was wrong, I was only thinking about one direction of the proof :)
Dec
4
comment How to 'get rid of' limit so I can finish proof?
If something is true of $f(x)$ for all x, then it's also true for $\lim_{x \to k} f(x)$, right?
Nov
1
comment Evaluate the Integral $\int \sqrt{1-4x^2}\ dx$
@Cetshwayo what part of the answer is too sophisticated/can be made simpler?
Oct
20
comment Intuitive understanding of the derivatives of $\sin x$ and $\cos x$
I don't think that looking at the plot is enough to confirm the numerical exactness of the rate of change of the red curve and the rate of change of the blue curve. It might show that they're somewhat correlated, but that they have exact numerical equivalence at every point in time is not something you can get from looking at a plot like that, I think.
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Sep
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comment What is a Tensor Product?
i hate being happy