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F
fresh_42
replied to the thread
What determines how we group in method of undetermined coefficients?
.
The crucial point here - as far as I understood the posts - is that the functions \{\cos(t),\sin(t),t\cos(t),t\sin(t)\} are linearly...
Apr 20, 2024
M
mario99
replied to the thread
Solve dy/dx= 6e^y sin3x when y=0 and x=0
.
My bad, mixing \cos 0 \ \text{with} \ \sin 0. (This error proves what we have learnt in the kindergarten was correct. The bonus exercise...
Apr 20, 2024
Integrate
replied to the thread
What determines how we group in method of undetermined coefficients?
.
You understood my question correctly I think. So what you are saying is that we group them in each combination between t, cost, and...
Apr 20, 2024
blamocur
replied to the thread
What determines how we group in method of undetermined coefficients?
.
Not sure I correctly understand your question, but I'll try to answer it. You have 4 different functions (\cos t, \sin t, t\cos t, t\sin...
Apr 20, 2024
Integrate
posted the thread
What determines how we group in method of undetermined coefficients?
in
Calculus
.
Θ"-Θ=tsint For polynomials it is fairly straight forward what we set equal too. And for just sin and cos we match them just as...
Apr 20, 2024
Steven G
replied to the thread
Solve dy/dx= 6e^y sin3x when y=0 and x=0
.
cos(0)=1, not -1
Apr 20, 2024
The Highlander
reacted to
BigBeachBanana's post
in the thread
problem solving
with
Like
.
Solution posted. See page 10.
Apr 20, 2024
The Highlander
reacted to
Dr.Peterson's post
in the thread
Could someone please help? best 6 papers turned in by 28 classes are re-read by organizers to ensure marking is correct.
with
Like
.
Or it could be 8, 30, and 0.266...,though they more likely expect your set. This was the point of post #6:
Apr 20, 2024
Dr.Peterson
replied to the thread
Could someone please help? best 6 papers turned in by 28 classes are re-read by organizers to ensure marking is correct.
.
Or it could be 8, 30, and 0.266...,though they more likely expect your set. This was the point of post #6:
Apr 20, 2024
F
fresh_42
replied to the thread
problem solving
.
\dfrac{n}{d}\left(\dfrac{n}{d}+1\right)\,|\,n(n+1) was what I overlooked. Thanks.
Apr 20, 2024
The Highlander
replied to the thread
Could someone please help? best 6 papers turned in by 28 classes are re-read by organizers to ensure marking is correct.
.
So the correct answers (to go into the provided boxes) are: 192, 720\,\,\&\, 26.\dot6\%. Thank you @Dr.Peterson & @blamocur. 🫡😊
Apr 20, 2024
The Highlander
reacted to
blamocur's post
in the thread
Could someone please help? best 6 papers turned in by 28 classes are re-read by organizers to ensure marking is correct.
with
Like
.
Almost: got each of the 8 cases of picking the first 2 there are 24 cases of arranging the rest. Also, I get a different number for 192/720
Apr 20, 2024
blamocur
replied to the thread
Could someone please help? best 6 papers turned in by 28 classes are re-read by organizers to ensure marking is correct.
.
Almost: got each of the 8 cases of picking the first 2 there are 24 cases of arranging the rest. Also, I get a different number for 192/720
Apr 20, 2024
The Highlander
reacted to
Dr.Peterson's post
in the thread
Could someone please help? best 6 papers turned in by 28 classes are re-read by organizers to ensure marking is correct.
with
Like
.
Let's look at a couple ways to solve this, since it's been a month. First, if we consider only the top two papers in the stack, which...
Apr 20, 2024
BigBeachBanana
replied to the thread
problem solving
.
Solution posted. See page 10.
Apr 20, 2024
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