The equation has only one positive real root α.Find the integer n such that n < α < n + 1.the equation：X乘以 e的X次方 加上2X 减7 等于0

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The equation has only one positive real root α.Find the integer n such that n < α < n + 1.the equation：X乘以 e的X次方 加上2X 减7 等于0
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The equation has only one positive real root α.Find the integer n such that n < α < n + 1.the equation：X乘以 e的X次方 加上2X 减7 等于0
The equation has only one positive real root α.Find the integer n such that n < α < n + 1.
the equation：X乘以 e的X次方 加上2X 减7 等于0

The equation has only one positive real root α.Find the integer n such that n < α < n + 1.the equation：X乘以 e的X次方 加上2X 减7 等于0
该方程有唯一的正解 α .请找出一个整数使得n < α < n + 1.
n=1
事实上该方程的正解 α 的范围正是1< α < 2,故n=1.

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