Prove-without-any-software-2-3-1-e-x-2-dx-lt-6-and-1-2-3-e-x-2-dx-lt-6-

Question Number 154052 by mathdanisur last updated on 13/Sep/21

Prove without any software

\underset{2 - \sqrt{3}}{\int^{1}} e^{- x^{2}} dx < \frac{π}{6} and \underset{1}{\int^{2 + \sqrt{3}}} e^{- x^{2}} dx < \frac{π}{6}