求满足不等式组 的 的取值范围。 由此,写出满足该不等式组的最小质数。
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完整解法
8(a)
1. Solve the left-hand inequality
Multiply both sides by :
2. Solve the right-hand inequality
Multiply both sides by :
3. Combine the two inequalities into the final range
From the two conditions,
Hence,
答案
8(b)
1. Identify the smallest prime number satisfying the range from part (a)
From part (a),
Since , there is no prime number in this interval. The smallest prime number is , but .
Therefore, no prime number satisfies the inequalities.
答案
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