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受欢迎的微积分 >

limit as x approaches 2 of 4-2x

解答

x \to 2 lim (4 - 2 x)

解答

0

求解步骤

x \to 2 lim (4 - 2 x)

代入值

x = 2

= 4 - 2 \cdot 2

化简

= 0

作图

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