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The answer is -3x + 2 + 9/(2x-3). That is A = -3, B = 2 and C = 9.

I will use the whiteboard during my interview to explain the working.

I will attach a file with the solution during the interview because it is difficult to type the solution in here.

A hypothesis test can be thought of as being somewhat similar to a court case. In a court case, we want to find out whether someone is either guilty, or not guilty, so we assume that they are not guilty, ...

Let the lines be:

r₁ = (a, b, c) + t(d, e, f)

r₂ = (g, h, i) + s(j, k, l)

Since t and s above are variables and the rest of the letters are constants, the only w...

Integrating this expression is a simple trick. We use integration by parts. For this we need a function we can integrate and a function we can differentiate. We know how to differentiate ln(x) which is 1/...