Fermat's Theorem - Application of Derivatives - Calculus 1

This calculus 1 video tutorial provides a basic introduction into fermat's theorem which is an application of derivatives.

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[ibbit]

calc 3 student here (raised by ogt tbh), studying for other finals and i look at the recent uploads to see what hes up to and it turns out there is just straight up calc dlc that i never went through hahah. how he never runs out of topics is beyond me, keep at it!

[lovi]

As a grade 8 student who is 13 years old having nothing to do, just randomly wanting to learn this, hating math and you for this video its very very fun <33

[cyberfunkyt]

I really needed this now and seeing you downloaded this video yesterday is making me feel like you're not from this world 😅😅 I really apreciate your work 👏👍👍

[roro]

Mashallah, a comprehensive and very understandable explanation.
I have a question: Is there a video explaining the first derivative test

[drewQ]

Good basic concepts that are taught amazingly. The graph on the right can also be known as a "cusp", which will always = DNE.

[MohamedAbdirahman-qspl]

I became an engineer watching this guy. Thank you

[rebokfleetfoot]

that was the best explain i've seen so far, thank you

[The_Green_Man_OAP]

For the curve on the right, you could use a function like f(x)=|cos(x)|+1=√(cos²(x))+1
At x= ½π this is 1, the minimum.
Derivative:
f'(x)= -½(2cos(x)sin(x)/√cos²(x))
= -sin(x)*sgn(cos(x))
At x=½π, have f'(½π)= -sgn(cos(½π))=-sgn(0).
This is undefined.

[danytoumie]

Man, you are a good teacher, Thanks!

[danyataha]

You need to start doing Differential equations 💔💔💔 Laplace transformations

[kofidwomohagyemang-duah]

Can you please make a physics video on principle of moments

[somekindaperson]

If I had a voice like his, I'd never shut up lmao.

[Ethiosmartmoney]

pls teacher do partial fraction i saw your vidio about partialfraction

[albedox]

Can you tell us how we can calculate gravity next?

[Spacez]

Three equal charges q1=q2=q3=10^-7 are placed on the vertices of an equilateral triangle. If the length of one wall is 20 cm, the force acting on each charge is (k=9∙109N×m^2/Kl^2)


Hello The Organic Chemistry I your subscriber can you solving this physics

[akshajande]

What's the difference between this and Rolle's Theorem?

[YIRU_ifmin_irrelis]

Fermat is pronounced "fair-mah" in French.

[muriias]

Okay, but like why does he sound like Uki Violeta. Srsly though, every time I come back to a video I'm surprised cause I forgot how similar these two sound.