I suspect they mean they want something like this: https://i.stack.imgur.com/Ymrym.png https://i.stack.imgur.com/Ymrym.png As opposed to something like def

I suspect they mean they want something like this: https://i.stack.imgur.com/Ymrym.png https://i.stack.imgur.com/Ymrym.png As opposed to something like def f(x,k) = Sum(k,math.inf, (math.pi*pow(sqrt(x),k))*sin(2*theta*(sqrt(...