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A curve C has equation 2^x + y^2 = 2xy. How do I find dy/dx for the curve C?

This question requires an understanding of implicit differentiation, a specific form of the chain rule for derivatives. (Aside/reminder) - Implicit function vs Explicit function: Explicit functions : y may b...
JC
Answered by Jesse C. • Maths tutor
13426 Views

Explain Ohm's Law

Ohm's Law
ZA
Answered by Zeeshaan A. • Physics tutor
2915 Views

How can I write an effective, original composition which will get a good mark?

The key to writing a good composition for A level music is keeping to a specific style which you set out in the accompanying explanation of the piece that you provide with it. In choosing a style or genre a ...
HS
Answered by Harry S. • Music tutor
5015 Views

How to I effectively plan my time for writing an essay in an exam?

The key to this starts with initially taking the time to carefully read and dissect the question you are given, then writing an effective plan rather than rushing into writing, even if you feel like you have...
HS
Answered by Harry S. • Geography tutor
2768 Views

‘Wenn’ and ‘als’ can both mean ‘when‘ in English. What’s the difference between them?

Luckily, the difference is nice and easy to learn! We’ll start with ‘wenn’. Firstly, ‘wenn’ can mean both ‘whenever’ and ‘if’. The reason I say ‘whenever’ is because ‘wenn’ is often used to describe a regula...
TD
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