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Overall, the first ionisation energies will increase. This is because as you go along the period, the atomic number increases and this causes a stronger electrostatic attraction between the outer electron...

To factorise an expression such as x ² - 8x + 15, you need to look for two numbers that add up to make -8 and multiply to give 15.
The only option in this case is -5 and -3
(-5)+(-3)=...

Split into partial fractions: (3x +2) / (x² - 5x +6) = A / (x-3) + B / (x-2) => 3x + 2 = A(x-2) + B(x-3) let x =...

Close analysis can be a difficult task but it is this difficulty that makes it equally rewarding. It allows the reader to zoom into sections of the text and reveal, through analysis, how the chosen writer...

Steinbeck makes the way Crooks is treated so disturbing through showing his interaction with Lennie and his desire to join Lennie and George's venture on their own farm in the future. Crooks initially ref...