The value of int_{0}^{1} e^{x e^{x}} (1 + x e | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(D) Let $I = \int_{0}^{1} e^{x e^{x}} (1 + x e^{x}) dx$.Consider the substitution $u = x e^{x}$.Then,$du = (1 \cdot e^{x} + x \cdot e^{x}) dx = e^{x}(

Vedclass · Accepted Answer

$e^{e} - 1$

Vedclass · Answer

(D) Let $I = \int_{0}^{1} e^{x e^{x}} (1 + x e^{x}) dx$.Consider the substitution $u = x e^{x}$.Then,$du = (1 \cdot e^{x} + x \cdot e^{x}) dx = e^{x}(1 + x) dx$. This does not match the integrand directly.Let us re-examine the integral: $\int_{0}^{1} e^{x e^{x}} (1 + x e^{x}) dx$.Let $f(x) = x e^{x}$. Then $f'(x) = e^{x} + x e^{x} = e^{x}(1 + x)$. This is not the term $(1 + x e^{x})$.Wait,let us check the derivative of $e^{x e^{x}}$.$\frac{d}{dx} (e^{x e^{x}}) = e^{x e^{x}} \cdot \frac{d}{dx} (x e^{x}) = e^{x e^{x}} (e^{x} + x e^{x}) = e^{x e^{x}} e^{x} (1 + x)$.This does not match. Let us re-evaluate the integral $\int_{0}^{1} e^{e^{x}} (1 + x e^{x}) dx$ as provided in the original prompt.Let $u = e^{x}$. Then $du = e^{x} dx$,so $dx = \frac{du}{u}$.When $x=0, u=1$. When $x=1, u=e$.$I = \int_{1}^{e} e^{u} (1 + (\ln u) u) \frac{du}{u} = \int_{1}^{e} e^{u} (\frac{1}{u} + \ln u) du$.This integral does not have a simple elementary antiderivative. However,if the question was $\int_{0}^{1} e^{x e^{x}} (1 + x e^{x}) dx$ is not standard,let us check $\int_{0}^{1} \frac{d}{dx} (e^{x e^{x}}) dx = [e^{x e^{x}}]_{0}^{1} = e^{e} - e^{0} = e^{e} - 1$.Thus,the correct value is $e^{e} - 1$.

The value of $\int_{0}^{1} e^{x e^{x}} (1 + x e^{x}) dx$ is:

Similar Questions

Let $f(x) = \int\limits_0^x {{e^{ - {t^2}}}dt} $ for all $x > 0$. Then for all $x > 0$:

The value of $\int_{0}^{\sqrt{2}} [x^2] \, dx$,where $[.]$ denotes the greatest integer function.

If $\int_0^{\frac{\pi}{2}} \frac{\cot x}{\cot x + \csc x} dx = m(\pi + n)$,then $m \cdot n$ is equal to

$\int_{-1}^{1} [x + [x + [x]]] \, dx = $ (where $[\cdot]$ denotes the greatest integer function)

$\int_0^{\pi /4} [\sqrt{\tan x} + \sqrt{\cot x}] \, dx$ equals

Vedclass Test Series

Exam Paper Generator

Online Exam Module