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Differentiate with respect to X: x^2 + 2y^2+ 2xy = 2

Assuming the correct tools of differentiation have been taught, we can tackle each term seperately and then rearrange to have dy/dx as the subject. Taking a look at the first term, x^2, differentiating this ...
CO
Answered by Callum O. • Maths tutor
44833 Views

What is the equation for complete combustion and what does it require?

The equation for complete combustion is: hyrdocarbon + oxygen -> water + carbon dioxide A plentiful supply of oxygen is required in order to ensure complete combustion.
CL
11880 Views

Answer the following simultaneous equation:

Equation 1) x 2 +y 2 =5 (Equation 2) y=3x+1 The value of x is the same in both equations, as is the value of y. Therefore we can use one to work out the other. for example taking equation 1 and definining x ...
JS
Answered by Jenn S. • Maths tutor
4730 Views

How do I prepare for the listening exam?

In short, get listening to as much French as possible! It may seem simple and obvious but it is honestly the best way to improve your listening skills and it will also help your pronunciation when it comes t...
HS
Answered by Hannah S. • French tutor
4441 Views

What is the 'conditional' in French, and how do you use it?

What does it mean? It’s one of the four ‘moods’ in French (the others are: indicative, subjunctive and imperative) Because it’s a mood, it can be used in a number of tenses. Simplest (and the one you'll most...
MC
Answered by Morna C. • French tutor
4438 Views