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limit as x approaches 0 of tan^2(7x)

解答

x \to 0 lim (tan^{2} (7 x))

解答

0

求解步骤

x \to 0 lim (tan^{2} (7 x))

代入值

x = 0

= tan^{2} (7 \cdot 0)

化简

tan^{2} (7 \cdot 0) : 0

= 0

作图

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