Assertion (A): The value of e lies between 2 and 3.

Reason (R) : $\mathrm{e}=1+\frac{1}{1!}+\frac{1}{2!}+\frac{1}{3!}+\dots$

A is true, R is true and R is correct explanation of A

A is true, R is true and R is not correct explanation of A

A is true, R is false

A is false, R is true