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limit as x approaches 4+of x^2+sqrt(7-x)

解答

x \to 4 + lim (x^{2} + 7 - x)

解答

16 + 3

+1

十进制

17.73205 \dots

求解步骤

x \to 4 + lim (x^{2} + 7 - x)

代入值

x = 4

= 4^{2} + 7 - 4

化简

= 16 + 3

作图

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