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A mutation will randomly occur in individuals within a species, providing a larger variation in genes. This mutated gene may produce characteristics which are beneficial for the individual in their enviro...

9/3x² - 3y² + x/xy - x² = 9/3(x²-y²) + x/x(y-x) = 3/(x-y)(x+y) + 1/y-x = 3/(x-y)(x+y) - 1/x-y = 3-1(x+y)/(x-y)(x+y) = 3-x-y/(x-y)(x+y)

I find it helpful to start with the 'big picture', and then slowly zoom in until your studying the language at a micro level. Here are some things you could look at as you zoom in: What is the context of ...

A cut in the base rate (rate at which the central bank lends to commercial banks) generally increases growth, and an increase in rates reduces growth. This is due to several factors:

1. Impa...

We will split this up and differentiate each part separately.

We can differentiate 4x² using our normal rules for differentiating; we multiply the coefficient by the pow...