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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...

Shakespeare consistently presents Romeo's love as passionate throughout the play, however it varies between more destructive language when referring to Rosaline, to more heavenly language when describing ...

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...

DNA and RNA have similar, but not identical, molecular structures. It is these structural differences that enable DNA to be a more suitable long-term storage molecule than RNA. Firstly, the pentose sugar ...

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...