Disc and washer method for volume of revolution (rotated about different axis and lines)

[@bprpcalculusbasics]

Subscribe for more calculus tutorials 👉 bit.ly/just_calc For shell method, please see 👉 kzbin.info/www/bejne/manNYYKcj7mKe9E

[@beetogarcia9983]

You explained in 25 min what took my professor two weeks to explain. Holy…thank you so much

[@NIGHT2K17]

This is how a professor is supposed to teach, with joy and clearness. Thank you, this video really helped me better understand the concept of the washer method.

[@bprpcalculusbasics]

Glad it was helpful!

[@aliavc1404]

I like that you look at the camera and smile for no reason :D Thanks for the video sir.

[@beautyofmay]

whenever i dont understand what he is doing, he looks at the camera and smiles. sometimes that smiles makes me angry. he is a good teacher tho.

[@colejohnson141]

You drawing the picture for the last example finally made it make sense in my head. Thank you!

[@bprpcalculusbasics]

😃

[@parmisn2080]

I literally spent 3 days straight trying to figure out disk and washer method, I even pulled an all nighter last night trying to learn and I still didnt understand. I just watched this 28 minute video and everything just clicked. Thank you so much, I wish I saw this video sooner.

[@ryanjw15]

You explained it in less then 30 minutes when it takes teachers and professors 2+ hours to explain this stuff. Outsanding.

[@Antiidfn]

Subtracting one diagram from the other is what really made it click for me, you are the goat!!

[@l3sll3y]

This video made me realize I'm not stupid, I just needed a proper explanation of the set up. Thank You!!

[@cheesehead9980]

i cant put my finger on it but i love the way you teach in this video it’s so clear and focuses on the set up. edit: omg i’m so glad you told me top-bottom=radius, i feel like that clears so much, i didn’t realize it equaled radius.. thank you sm

[@boredmonke2959]

Understanding the concept behind this is the most important thing. Damn it feels good when you understand everything

[@shampoosh]

Thank you!! I've been having such a hard time drawing out the pictures and your explanations and drawings help so much

[@bprpcalculusbasics]

Glad to help 😃

[@JCEditzae]

BRO YOUR VIDEO SAVED MY BROTHER AND I'S LIVES THANK YOU SO MUCCCHCHCHCHHCHCHC

[@dylanpennington1378]

Lol I have an exam over this at 8am tomorrow morning. Wish me luck!!!

[@bprpcalculusbasics]

Best of luck!

[@lilliampumpernickle4655]

Have one in 45 minutes

[@allengarcia2019]

Does it get better? 😞

[@Eng586]

@@allengarcia2019quite the opposite actually

[@beetogarcia9983]

Same here

[@zoomie9004]

Hi there, I just wanted to take a moment to thank you as I have my calc final tomorrow. This has been really helpful!

[@bprpcalculusbasics]

Best of luck to you : )

[@anthonyholmes8114]

When I was doing a maths preparatory course at university I didn't even attempt a question similar to these because I wasn't confident enough. Thank you for showing me that these types of questions aren't as scary as I thought, and that they're actually quite fun.

[@marinachen729]

Great explanation! Especially great drawing skills. Beside the disk and washer method, I learnt how to draw these problems that helped me a lot to understand and solve them. Standing Ovation for you, Prof!

[@bprpcalculusbasics]

Thank you!

[@Siddharth_Mauryaa]

One of the best videos across youtube for volume calculation using integration.🤘

[@Antiidfn]

What an amazing video, thank you for this! You are such a great teacher! Crazy how we're paying thousands of dollars for an education and still end up turning to KZbin!

[@ardaeser9583]

I watched too many videos about it and you are the best one you solve questions easy to hard thank you

[@Deristrome]

After scourging the internet this is the most comprehensive and time efficient guide that covers everything.

[@eddiek8950]

You're the best sir watching you from Africa in Zambia 🇿🇲

[@gaurinegi-ne9sr]

ur literally the best teacher ever

[@petereziagor4604]

I'm not going to lie, it's not everything I see in this channel I understand at once but I know they will be super useful to me later once I start calculus properly... Just next year.

[@clueless.2509]

extremely well explained, this covers my whole chapter thank you man! inspirational :)

[@nishattasnim5757]

Your videos are really understable,I think my calculus 2 is getting better day by day

[@phlogchamp]

Thanks a lot BPRP! Always appreciate these vids!

[@alanlopez3153]

Gracias bizzarap, me salvaste de mi clase de cálculo

[@JacksonSmith-i8r]

Thank you so much for this explanation. I was really struggling with understanding how to use the washer method with a volume that wasn't rotated on one of the axes. Your video is going to help me pass calculus 2. :)

[@basilahmed3000]

thank you so much for this video i really needed someone to explain the 3d stuff to me and now i finally get it. God bless you sir

[@averyrose3056]

such a positive and helpful video! i love your concise way of explaining math. will be watching more from you :)

[@bprpcalculusbasics]

Thank you!

[@angieg7257]

Excellent lesson. Such a helpful video.

[@KatieandBam]

Thank you so much for explaining. This is very helpful, and I understand the concept so much better now.

[@martincea9100]

Made the concept very clear! Thank you!

[@clintonaschendorff]

this is good and have help me a lot thanks😵

[@ghazalaurooj6112]

Simply brilliant. Great wat to explain a complex problem.

[@gingermuro6388]

omg you did nearly all the problems of my hw lol I love you

[@pa3724]

You are brilliant, thanks for the class.

[@GINGERFIONAIGNACIO]

wow, very informative. thanks for sharing!

[@LORENZOVIACRUCIS]

true! perfect score on the next quiz!

[@adityapatel5539]

very helpful video thankyou bro that helped a lot☺

[@professorcrumpets9725]

Literally saved my life!

[@StillTenn]

10:00 22:23 don't mind me just listing the ones that really helped me!!

[@gabriellabonaretti9320]

Thank you so much! You have such a great way of explaining!

[@_.sebastian]

dude you saved my grade

[@asriel522]

interesting,now find the surface area

[@claytonvaughters9123]

Excellent video. Thank you very much!

[@A.-sd7wf]

dude. Just thank you. So much.

[@qabas_7107]

that was very usefull ,thx :)

[@omograbi]

I have a question: How are we going to integrate and calculate areas if we want to rotate diagonally (around an axis of y=mx+c)? I think it's challenging!

[@KusacUK]

Check Michael Penn’s channel, I think he did one of those last week.

[@bprpcalculusbasics]

Yea he did!

[@johnrine9671]

Very Good! Thank you.

[@Mangoisamaze]

Hello Professor, Can u please tell us when we have to specifically find the intersection points?

[@akankshyadas9759]

Thank you for saving my brain getting lost in space..❤

[@stryky3152]

lmao what are the chances i see this video when I just did a lesson on volumes of solids of revolution today. thanks so much for the video

[@noahanderson8688]

Lmao me too I think his calc 2 class must be doing the same units

[@idrakian3430]

thank you so much !!!

[@Abhishek._bombay]

21:36 radius measure from TOP TO BOTTOM

[@dr.rahulgupta7573]

Thanks for nice presentation.

[@twokidsmovies]

Thanks!

[@sidspegasus]

For question 3 , shouldn't it be y^2 - 2y and not the other way round? Because the curve is above the line?

[@lilliampumpernickle4655]

That’s what I was thinking

[@Eyelidyoinker]

@@lilliampumpernickle4655 Probably too late to answer this but its because of the distance from the axis of rotation the y axis in this case.

[@nujim]

@@Eyelidyoinker It's never too late. I had the exact same question and I can't seem to find a reasoning why until now. This makes sense and thank you for your explanation :)

[@BenVirrels]

hi. is there any way you could do a video about rotating around an angled line eg y=x. if not what are some good reasorcces to properly understand this concept

[@TopRevvedCars]

at the last one you can use the shell method using the dx, which I find easier

[@MohdAyan-pq5sy]

You be my dream teacher.

[@-GouthamKumar]

Thank you bro

[@jsxxz1]

u r the goat bro tysm

[@zplus11]

Very helpful... thanks

[@mariajulietabaltazar3126]

Thank you so much!!

[@di-riso]

At minute 15 i decided to get everything in terms of x and got the same answer(just in the y world),if i would do that on a test would it be considered wrong?

[@hatembahri4314]

you are the best thank's a lot

[@pikachudemsy9751]

Could you do a the surface area

[@petereziagor4604]

Thank you Prof.

[@wolflexz]

How do you know which function goes first?

[@paulmaingi7382]

Question: why do we use dL (dL²=dy²+dy²) for surface of revolution integration but only dy or dx with no slant for volume?

[@two697]

That's a good question

[@emmettforrestel1071]

Thank you

[@Dustycowboy7]

How you get 1,5 for the first problem?

[@eduardvalentin830]

In what areas are these used?

[@jaidybanaag918]

Sir, how about comparing the shell method and disk method, does the two having a same results?

[@peterburke8388]

26:26 "we are in the y world"

[@edungdivinefavour6977]

Wow,.. Just wow

[@opufy]

My test is in 1.5 hours :D

[@dustinkim303]

GOAT

[@bossinfinite9742]

Me still thinking In fast! He has big beard but in just calculus he is clean why?

[@TheJJ65]

These are old videos

[@DanielW607]

lol this sounds an awful lot like physics

[@bopheloseforwe422]

woow 😄

[@YourWrongImRight933]

Explains like he's teaching a professor

[@bread3088]

20 minutes…..

[@yt_pointless]

Bro will you marry me

[@pranshugautam8890]

Buy a proper Mike dont carry Mike in hand.

[@andrej8875]

Buying people is illegal

[@plugjuice666]

Thank you