The stone which the builders rejected as worthless,

This partial with respect to y, is this, times y prime.

But here's how the whole thing fits together.

And I'm getting these problems from page 80 of my old college differential equations books.

Do you know what fundamentals are?

And I think you'll see that these, in some ways, are the most fun differential equations to solve.

So right around, right around there where there were stone tablets where it looks like people were exploring some of the fundamental ideas of Algebra.

Freshman year is about two things, hear me now...

Pictograms are an important step in the evolution of writing.

And what's neat about this is that this will work for any quadratic equation, and it's actually the basis for the quadratic formula.

And the first class that I'm going to show you and this is probably the most useful class when you're studying classical physics are linear second order differential equations.

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There's an ABC's for professional killing?

It's a type of fossilized dental plaque that is called officially dental calculus.

Without words, you have nothing to work with.

They're starting basic flight. Then they start basic flight.

Are, the, the mathematical underpinnings of.

One young man who earned a C in the first course and wanted to go on to med school, we said, We need to have you retake the course, because you need a strong foundation if you're going to move to the next level.

It has the improving fundamentals.

So my usual question is, what do you mean by basics?

Basics of what?

Sir, yes, sir. 4212, Basic Military Journalism.

Stronger than the foundations of the earth!

Hello, again. So far, we introduced Friedmann Equation, which is the basic equation of relativistic cosmology.

Coal is a fossil fuel.

1944.

Stone

Decorative Stone

Bump...

That our ideas reach other people who think as we do.

PreColumbian syllabic base. See.

Yuichiro Satoyama left his office and headed for a jewelry store.

BAF so that's this entire triangle right over here

So what credentials does Zagat's have?

The same thing happens to the Initial Fundamental Matter of the plasma

Well one of them is, they say, you need to get the basics first.

But what is the international aid community doing with Africa today?

They will profess their love and loyalty

This must be the lowest foundation of the southeast wing.

Here's what most of the sand in our world looks like.

Soap?

By a rock?

And then they are fossilized over millions of years.

Alright. What else?

I'm keeping a record of basal body temperature.