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(i) Let f(x) = A/(x-1) + B/(x²+9). Multiplying through by (x-1)(x²+9) we get x²+9x = A(x²+9) + B(x-1). By substituting x=1 in to eliminate B, we find that A=1 ,...

Artificial life, also known as synthetic life, is life that is created from scratch. In order for it to be considered life, it should have a membrane which is capable of self-assembly and able ...

2x + 2

Firstly, it is best to expand the brackets to get:2c+10+5c-35 (be mindful of the signs inside and outside the bracket because you might get a double minus sign that results in a +, however that is not the...

This can be a bit tricky! When forming the passato prossimo, we need an auxiliary verb (a helper verb - avere or essere) and then a past participle. Now, which auxiliary verb we use depends on whether the...