$$\lim_{x \to \infty}\left(\frac{\sin{\left(x \right)} \operatorname{asin}^{2}{\left(x \right)}}{\left(3 x^{2} + 4 x\right) \operatorname{asin}{\left(x^{3} + 2 x^{2} \right)}}\right) = \left\langle -1, 1\right\rangle \lim_{x \to 0^+}\left(\frac{x^{2} \operatorname{asin}^{2}{\left(\frac{1}{x} \right)}}{4 x \operatorname{asin}{\left(\frac{2}{x^{2}} + \frac{1}{x^{3}} \right)} + 3 \operatorname{asin}{\left(\frac{2}{x^{2}} + \frac{1}{x^{3}} \right)}}\right)$$
$$\lim_{x \to 0^-}\left(\frac{\sin{\left(x \right)} \operatorname{asin}^{2}{\left(x \right)}}{\left(3 x^{2} + 4 x\right) \operatorname{asin}{\left(x^{3} + 2 x^{2} \right)}}\right) = \frac{1}{8}$$
Más detalles con x→0 a la izquierda$$\lim_{x \to 0^+}\left(\frac{\sin{\left(x \right)} \operatorname{asin}^{2}{\left(x \right)}}{\left(3 x^{2} + 4 x\right) \operatorname{asin}{\left(x^{3} + 2 x^{2} \right)}}\right) = \frac{1}{8}$$
Más detalles con x→0 a la derecha$$\lim_{x \to 1^-}\left(\frac{\sin{\left(x \right)} \operatorname{asin}^{2}{\left(x \right)}}{\left(3 x^{2} + 4 x\right) \operatorname{asin}{\left(x^{3} + 2 x^{2} \right)}}\right) = \frac{\pi^{2} \sin{\left(1 \right)}}{28 \operatorname{asin}{\left(3 \right)}}$$
Más detalles con x→1 a la izquierda$$\lim_{x \to 1^+}\left(\frac{\sin{\left(x \right)} \operatorname{asin}^{2}{\left(x \right)}}{\left(3 x^{2} + 4 x\right) \operatorname{asin}{\left(x^{3} + 2 x^{2} \right)}}\right) = \frac{\pi^{2} \sin{\left(1 \right)}}{28 \operatorname{asin}{\left(3 \right)}}$$
Más detalles con x→1 a la derecha$$\lim_{x \to -\infty}\left(\frac{\sin{\left(x \right)} \operatorname{asin}^{2}{\left(x \right)}}{\left(3 x^{2} + 4 x\right) \operatorname{asin}{\left(x^{3} + 2 x^{2} \right)}}\right) = \left\langle -1, 1\right\rangle \lim_{x \to 0^-}\left(\frac{x^{2} \operatorname{asin}^{2}{\left(\frac{1}{x} \right)}}{4 x \operatorname{asin}{\left(\frac{2}{x^{2}} + \frac{1}{x^{3}} \right)} + 3 \operatorname{asin}{\left(\frac{2}{x^{2}} + \frac{1}{x^{3}} \right)}}\right)$$
Más detalles con x→-oo