Connected Rates of Change

A Level Pure Maths revision tutorial video.
For the full list of videos and more revision resources visit www.mathsgenie.co.uk.

[@sammak150]

Its 4.50am ..i have a math test today and boyyy am i glad i found you !!!

[@alvinlui6626]

Dang man, I have a math test on all my worst math topic including this aswell as English and physics test

[@Evelynlck]

OMG WTF ITS LITERALLY 4:50 am RIGHT NOW AND I ALSO HAVE A ADDMATHS TEST TODAY 😨

[@alvinlui6626]

@@Evelynlck good luck

[@fractured2370]

@@Evelynlck you guys really like procrastination😂

[@shimasfaris2917]

Were all living the same lives 😂

[@erehyeager3143]

This dude just saves me the night before my exam. Straight to the point. Explains clearly. What a Chad. This video totally deserves more views

[@skyl5487]

I missed my online math meeting by accident and here you saved my life by teaching the exact question like how-

[@kingfenrir_bs604]

I didn’t know how to do connected rates of change questions due to missing class for a few weeks because of sickness. This video was super simple, easy to understand, and straight to the point. Thank you!

[@medicusv61]

This is brilliant, straight to the point! Thanks for your help.

[@xenonn5499]

When I get A* isa , I will tell you because your videos were always the perfect thing when I felt lost in math, THANK YOU ENDLESSLY

[@bertdreyer4046]

Thank you very much this has helped me understand what to do in these situations Can't wait to use it when I grow up and get a job, because it will be useful right? Right?

[@HassanHussain-dg4se]

Lol 😂

[@HassanHussain-dg4se]

Yeah that's me!

[@caitlyncarmona5881]

You are heaven sent

[@rosette_renah]

This is a beautiful video,, am watching all of your videos on differentiation 🙏

[@mindurslide]

my a level exam for pure is tmr and I only realised tonight that I didn't know how to do these qs, thank you so much

[@Nesrt54]

alevel maths paper 1 tomorrow! thank you so much for these series, they've helped me out loads. wish me luck!

[@Chloe-qe6xp]

also sitting it!! good luck hun!! tell me how it goes xx

[@Nesrt54]

@@Chloe-qe6xp lol I needed the toilet halfway though so badly I couldn't concentrate 😭😭 jokes aside though the last question was sent from hell

[@hamzah5034]

@@Nesrt54 lmao im guessing u did AQA as well?

[@Joe-hl2ts]

I'm here a year later in the same boat except paper 1 is today in a couple hours. Wish me luck!

[@iguess9769]

I am here four months later writing the paper one tomorrow

[@AliKhan-xi9eq]

Thank you so much

[@kshitijyunav5192]

Brilliant explanation

[@abdulrahmanmuneer9467]

best online math teacher 💯

[@Tacticalzd]

didnt understand this for shit in class, thanks yo

[@ernestox]

Thanks for your work, really helped.

[@aleksandarmakedonskiiiii5354]

thankyou bro what a living legend

[@kampambalubamba373]

Amazing video, you're a good teacher!

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thank you so much God bless you

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Love it bro, keep up the good work 👍😊

[@leshanelim9454]

Thanks a lot!! You helped me

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bros ia a life saver

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you save my life!

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thanks appreciate it

[@yoyozhu7593]

This is tooooo helpful!!!

[@asiripradeep1458]

thank you sir!

[@FatamaAkter-k9s]

Thank you very much 😭😄

[@monty_capalot_]

YESSSSS

[@plantastic6918]

Thanks for the video man 🙏🙏

[@truffles1]

thanks

[@Bannermun8089]

or squaring the answer whenit is cubed

[@RanBlakePiano]

Helpful

[@aryanjainfit9123]

Life saver

[@Bannermun8089]

i dont get how you get 2 pi r for the first example

[@chic187]

2 pi r is the derivative of pi r squared

[@rosette_renah]

The area(A) of a circle is pi r², where *r* is the radius of a circle right,, so when we try to differentiate A in terms of r, we get 2*pi*r. Hope it's clear to you🤓

[@usmanwasti5200]

@@rosette_renah He graduated two years ago 😂

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💖

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top g

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😂Bro is goated

[@yoyozhu7593]

This is tooooo helpful!!!