Disgusting A-Level Maths Questions Episode 1 - Differential Equations

[@AITutor]

Which disgusting topic would we like to see next?

[@kingrobert7246]

my exam is tomorrow please upload a 5 hour video on every maths topic

[@heyitsadelinaaa]

can you please do a video on connected rates of change for tuesday's pure 2 exam

[@EasyMathsChannel]

Great vid Patrick 👍

[@plumbr13]

Suggest enlarging the printed text.

[@Ashleybissett]

I can't see the questions properly

[@nithilalogathas672]

I actually understand this, you are a bloody miracle.

[@mahammedforjani1234]

how about change the name of the series to beautiful a level questions

[@winniethepooh8766]

init such a nice question.

[@jaskiraatshah9445]

wait population should be 22? as after 5 years the value became 22.87 hence the population can not be assumed to increase by the other fraction so wouldn't the lower value be the answer???

[@AndroidFan238]

Great! Thank you😊

[@atenanosratzadeh5542]

you are amazing bro

[@mrbutlermaths4633]

Great video!

[@AITutor]

Cheers Mr Butler, likewise!

[@jordanw9387]

Great vid! Can I just check, at 5:43 would we also divide by the derivative of the polynomial inside the brackets? (But doesn't apply here as it'd be equal to 1)

[@AITutor]

You would, but it can't just be any polynomial it has to be linear!

[@amadif1793]

which exam board is this?

[@wasimvillidad3000]

Overkill. The suggested substitution turns a routine question into a complex one since (ln2)2^x is the derivative of 2^x + 1. With a straight forward manipulation, the integral is an example of the reverse chain rule. This is not a criticism of your presentation but merely my thoughts on the question structure which penalises an intuitive student. I would prefer to see using the substitution or otherwise...- manifestly questions are structured this way supposedly for the benefit of students but latently, my view is that it is for the benefit of markers.

[@puddleduck1405]

THANK YOU