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If you wanted to program a function into a computer, it knows how to calculate polynomials but not any function that you put into it. For example, it won't know what to calculate for sin(x), but it would ...

z = 3i(7-i)(i+1)= 3i(7i-i+7-i² )= 3i(6i+8)= 18i² +24 (1 method mark)= 24i-18 (1 method mark)k=18 (1 answer mark)

To prove the above statement we will be using proof by induction as this is the easiest way to prove that the statement holds for all natural numbers n>=2. Firstly, when proving by induction there are ...

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