A-Level Maths: G5-05 Differentiation: Implicit Differentiation & Parallel to the x or y axes

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[@r3ma1n36]

The way you explain is so calm and easy to follow, dont know where I’d be without this man 🙏

[@x_nova_x7469]

ayyy i requested this video :D

[@louismichigan5836]

brilliant video, i do ocr mei b and in our paper 3, one of the topics is "Binomial expansion; area under a curve", any idea what that would be?

[@darcey1825]

In the OCR paper 1, we dealt with a similar question! Except it asked you to show that *insert implicit equation* has no points on the curve that makes it’s tangent parallel to the line y=x

[@khezermalik2328]

its just coincidence that both co-ordinates are just swapped around right ? so you can't just find one set of coordinates and switch ?

[@bigzu7629]

i dont understand why dy/dx is infinite when dx/dy is 0? Could you plz explain?

[@TLMaths]

dx/dy = 1/(dy/dx)
As dy/dx tends to 0, dx/dy will tend to infinity

[@nynthes]

You can also just flip dy/dx to get dx/dy can;t you?

[@TLMaths]

dx/dy = 1/(dy/dx) if that's what you mean?