Definite Integration Question 97

Question: The value of integral $ \int_0^{1}{{e^{x^{2}}}}dx $ lies in interval

[CEE 1993]

Options:

A) $ (0,1) $

B) ( $ -1,0) $

C) $ (1,e) $

D) None of these

Show Answer

Answer:

Correct Answer: C

Solution:

For $ 0<x<1 $ , we have $ 1<{e^{x^{2}}}<e $ ,

so that $ \int_0^{1}{1dx<\int_0^{1}{{e^{x^{2}}}}dx<\int_0^{1}{edx}\Rightarrow 1<\int_0^{1}{{e^{x^{2}}}dx<e.}} $