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1/2n² + 1/2n + 1

This is a hard one and maybe closer to a maths challenge question. It is easier to explain in person.

First common difference is 1 then 2 then 3 ...

(x - 5) / (x² + 2x - 15) 

Although both are giant covalent structures, they have different structures. Diamond makes a 3d structure with each carbon attached to 4 other carbons so the only bond to break when melting it is the very...

The habitat of the Polar Bears is the arctic. This is a much colder climate than the other species of bear found in the wild. Therefore the Polar Bear has adapted to live in this colder climate. One adapt...

Shelley presents her protagonist Victor Frankenstein as being entirely innocent throughout his youth, as he claims about his parents, 'I was their plaything- their child, the innocent and helpless creatur...