Limit of sequence induced by dilation of Lebesgue integrable function

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Let $f$ be Lebesgue integrable and continuous in a bounded domain $\Omega$ in $\mathbb{R} ^n$, and define $f_m(x)=f(\frac{m}{m+1}x).$ Then $f_m(x)$ converges pointwise to $f(x)$ for $x\in \Omega.$ I was wondering if it is true $\int_\Omega f_m(x)dx \to \int_\Omega f(x)dx$ as $m\to\infty$, without additional assumption on $f$.

Note that if $f$ is bounded, we can easily show it in view of Lebesgue dominated convergence theorem.

Please let me know if you have any hint or comment for the question. Thanks in advance!

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It's very easy to show that $\int_\Omega f_m\to\int_\Omega f$ for every $f\in L^1(\Bbb R^n)$, in fact $||f_m-f||_1\to0$. Let $\epsilon>0$. Choose $g\in C_c(\Bbb R^n)$ with $||f-g||_1<\epsilon$...