limit as x approaches 2 of (3x+2)/(x+2)

解答

x \to 2 lim (\frac{3 x + 2}{x + 2})

2

求解步骤

x \to 2 lim (\frac{3 x + 2}{x + 2})

代入值

x = 2

= \frac{3 \cdot 2 + 2}{2 + 2}

化简

= 2

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