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定义 G(x) = integrate from 1 to x of (2t - 1) dt 。显式计算 G(x) 、验证 ,并求值 和 。
定义 G(x) = integrate from 1 to x of (2t - 1) dt 。显式计算 G(x) 、验证 ,并求值 和 。
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