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What is differentation and how does it work?

Differentiation is how to find the gradient of a line. For example, the line y = 3x has a gradient of 3. Similarly, y = 4x + 2 has a gradient of 4. However, for most lines, the gradient isn't the same alo...

Answered by Thomas P. Maths tutor
3344 Views

How do you factorise quadratic equations?

Any quadratic equation, that is, an equation of the form ax2+bx+c=0, can be factorised, which means it is broken down into its linear factors. This means it wi...

Answered by Andrew B. Maths tutor
2598 Views

How do I 'simplify' a surd?

Simplifying a surd means to express it using smaller numbers, making it easier to use in calculations. There are a couple of facts you will need to learn about surds, these are, 1) sqrt(a x b) = s...

Answered by Joanna Z. Maths tutor
4100 Views

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

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