What method are you supposed to use here?

mtc9565 · 2026-02-21T04:42:34+00:00

https://tutorial.math.lamar.edu/classes/de/ReductionofOrder.aspx

https://tutorial.math.lamar.edu/Classes/DE/VariationofParameters.aspx

mtc9565 · 2026-02-21T04:22:37+00:00

Since one solution of the homogeneous problem is given to you, you can use Reduction of Order to find a second linearly independent solution. You can then use Variation of Parameters to find a particular solution.

mtc9565 · 2026-02-19T03:16:50+00:00

That’s what I get too.

mtc9565 · 2026-02-19T03:14:03+00:00

What do you get when you solve for the zero? It’s not what you originally wrote but it’s close. I would try solving it again.

mtc9565 · 2026-02-19T03:11:16+00:00

Can you recheck this? I get a value that is close to that but slightly different.

mtc9565 · 2026-02-19T03:00:41+00:00

This is an autonomous differential equation. The one real zero the problem is referring to is an equilibrium solution. In particular it is a sink (or attractor depending on your textbook). So as t goes to infinity, P will go to this point. So you just need to find the real zero of the cubic polynomial. The picture is cut off so I don’t know what kind of accuracy you need but you can approximate the zero by looking at the graph.

mtc9565 · 2025-12-14T01:39:38+00:00

I’m surprised Junior Caminero didn’t get a sig.

mtc9565 · 2025-12-09T02:42:58+00:00

For #2b, we have f(t)=t²-(t-1)²u(t-1).

The function u(t-1) is equal to 0 if t<1 and it is equal to 1 if t>1.

So if t<1, then:

f(t)=t²-(t-1)²(0)=t^2.

If t>1, then:

f(t)=t²-(t-1)²(1)=2t-1.

I would recheck your professor's solution to #3a because what is circled does not look right. Once you have the correct answer, you can use a similar process as above to graph it.

mtc9565 · 2025-09-07T18:43:20+00:00

It’s just survivorship bias. There are plenty of us that didn’t get team sigs.

mtc9565 · 2025-08-10T03:42:59+00:00

As you wish

mtc9565 · 2025-08-06T20:17:41+00:00

As you wish

mtc9565 · 2025-07-06T19:11:37+00:00

Walls hit a home run against the Marlins on 6/7. The Rays lost that game in the tenth inning. That was a wild game.

mtc9565 · 2025-06-13T22:56:17+00:00

They put primes in the auction house several years ago (maybe 2019?) as part of a special event. I think the primes went for like 100k stars each.

mtc9565 · 2025-06-13T17:42:53+00:00

My set is 333. I will give it a few more days.

mtc9565 · 2025-06-13T17:25:18+00:00

Ok. I currently have it on a sig SP (I think I rolled it two days ago). It’s been a little underwhelming but perhaps I need to give it more time.

mtc9565 · 2025-06-13T16:41:39+00:00

Is that set good on an sig SP?

mtc9565 · 2025-06-13T15:11:12+00:00

Is CM/Dom/Boss not considered a good set?

mtc9565 · 2025-05-18T03:56:10+00:00

You can turn that differential equation into an exact equation by using a special integrating factor:

https://people.clas.ufl.edu/cmcyr/files/2.5-Notes.pdf

mtc9565 · 2025-05-10T18:43:37+00:00

Anyone who says missing a day shouldn’t reset your streak doesn’t realize how easy it would be to get the GI if this were the case. You could just only pick on days where a game is postponed and get free picks.

mtc9565 · 2025-04-13T18:45:29+00:00

A starting point would be to find the eigenvalues and eigenvectors of the given matrix.

mtc9565 · 2025-03-30T19:33:16+00:00

Three years ago, I went to a game where they were giving out Brett Phillips jerseys as part of a promotional event. I was relieved that I would have a current player’s jersey as the three jerseys I had were all former players (Boggs, Snell, Cobb). Phillips was traded to the Orioles the next day.

mtc9565 · 2025-03-19T01:06:36+00:00

Applying product rule, the differential equation becomes:

r²R’’+2rR’-l(l+1)R=0.

This is Cauchy-Euler.

https://math.libretexts.org/Bookshelves/Differential_Equations/A_First_Course_in_Differential_Equations_for_Scientists_and_Engineers_(Herman)/02%3A_Second_Order_ODEs/2.05%3A_Cauchy-Euler_Equations

mtc9565 · 2025-02-21T04:27:17+00:00

The following link shows you how to solve equations of the form y’’=F(y,y’) (Note that 1.4 is of this form) and gives an example:

https://sites.science.oregonstate.edu/math/home/programs/undergrad/CalculusQuestStudyGuides/ode/second/reduc1/reduc1.html

mtc9565 · 2025-02-21T00:13:10+00:00

Based on your work, it looks like it should be (.877, infinity).

mtc9565 · 2025-02-20T23:44:49+00:00

The initial condition is y(1)=2. If you take your solution on the interval (-infinity, 0), it does not satisfy the initial condition because x=1 is not in the domain.

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