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June 2022 1 32 Report

Помогите решить предел, через первый замечательный предел[tex] \lim_{x \to 0} \frac{2x}{sin \frac{x}{2} }[/tex]

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$\lim_{x \to 0} \dfrac{2x}{sin \dfrac{x}{2} } = \lim_{x \to 0}\dfrac{ 4\cdot \dfrac{x}{2} }{sin \dfrac{x}{2} } = 4 \lim_{x \to 0} \dfrac{\dfrac{x}{2} }{sin \dfrac{x}{2} } = 4 \cdot 1 = 4$

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pomogite pozhalujsta reshit zadachu po kombinatorike

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zaranee spasibo3h4h50

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