Interview Question: Differentiations

Sample Question #96 (mathematics – basic calculus)

Let both f(x) and g(x) be continuously differentiable in x. Find the 1st derivatives of the following functions.

(1) h(x) = f(x) + g(x)

(2) j(x) = f(x) * g(x)

(3) k(x) = f(x) / g(x)

(Comment: calculus is pretty fundamental in everything quants do, so it’s always important to remember your basic calculus)

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