Автор - HIpsTER22

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Ответ

Автор - getlucky1582

Ответ:

lim_{n to 3} frac{9-x^2}{sqrt{3x-3}} = lim_{x to 3} frac{9-9}{sqrt{9-3}} = 0

lim_{x to pi+0} frac{sqrt{1 + cos(x)}}{sin(x)} = lim_{x to pi+0} frac{sqrt{1 + cos(x)}*sqrt{1-cos(x)}}{sin(x)*sqrt{1-cos(x)}} = lim_{x to pi+0} frac{sqrt{1-cos^2(x)}}{sin(x)*sqrt{1-cos(x)}} = lim_{x to pi+0} frac{sqrt{sin^2(x)}}{sin(x)*sqrt{1-cos(x)}} = lim_{x to pi+0} frac{1}{sqrt{1-cos(x)}} = lim_{x to pi+0} frac{1}{sqrt{1-cos(pi + 0)}} = lim_{x to pi+0} frac{1}{sqrt{1+1}} = frac{1}{sqrt{2}}

Объяснение:

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