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数学
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求log10 55 /log10 2=5.78为什么是怎么算的?
谢谢了
人气:269 ℃ 时间:2020-06-23 21:40:25
解答
因为log10 55 /log10 2=log2 55=log2 (64-9)由泰勒公式,f(x)约=f(x0)+f'(x0)*(x-x0)+f"(x0)*(x-x0)*(x-x0)/2 而f'(x0)是f(x)在点x0的一阶导数,f"(x0)是f(x)在点x0的二阶导数,在这个问题中,f(x)=log2 x,所以呢,f'(x...
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