The value of \(\lim_{x\rightarrow 1}[x]cos(\frac{\pi(1-x)}{2})e^{1/(1-x)}\), [x] denotes the greatest integer function.
(a) 0
(b) 1
(c) ∞
(d) -∞
The question was posed to me in an online quiz.
My enquiry is from Limits and Derivatives of Several Variables topic in section Partial Differentiation of Engineering Mathematics