Question

what
$\alpha \sec(\pi \cot(\%\% \binom{?}{?} ) )$
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Answer 1

x & \text{ if } x\ge 0 \\ ... {-2+\left (\cos({x}^{2})\ right )^{2}}} ... n-k)!} = \binom{n}{k}\\ ... f(x) = \ int_{-\infty}^\infty \hat f(\xi),e^{2 \pi i \xi x} \,d\xi