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limit as x approaches 1 of |3x-6|

解答

x \to 1 lim (∣ 3 x - 6 ∣)

解答

3

求解步骤

x \to 1 lim (∣ 3 x - 6 ∣)

代入值

x = 1

= ∣ 3 \cdot 1 - 6 ∣

化简

∣ 3 \cdot 1 - 6 ∣ : 3

= 3

作图

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