Definite Integration

1981 Q601 JEE Advanced MCQ
14 Mar 2026
The value of the definite integral $\int\limits_0^1 {\left( {1 + {e^{ - {x^2}}}} \right)} \,\,dx$
A.
$-1$
B.
$2$
C.
$1 + {e^{ - 1}}$
D.
none of these