lim(x→1) x-x³ / sin派x 求极限.为什么用等价无穷小替换和洛必达法则做出来结果不一样?1、等价无穷小替换 =lim x(1-x²) / 派x =lim(x→1) 1-x² / 派=02、洛必达法则 =lim(x→1) 1-3x² / 派cos
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![lim(x→1) x-x³ / sin派x 求极限.为什么用等价无穷小替换和洛必达法则做出来结果不一样?1、等价无穷小替换 =lim x(1-x²) / 派x =lim(x→1) 1-x² / 派=02、洛必达法则 =lim(x→1) 1-3x² / 派cos](/uploads/image/z/5129969-41-9.jpg?t=lim%28x%E2%86%921%29+x-x%26%23179%3B+%2F+sin%E6%B4%BEx+%E6%B1%82%E6%9E%81%E9%99%90.%E4%B8%BA%E4%BB%80%E4%B9%88%E7%94%A8%E7%AD%89%E4%BB%B7%E6%97%A0%E7%A9%B7%E5%B0%8F%E6%9B%BF%E6%8D%A2%E5%92%8C%E6%B4%9B%E5%BF%85%E8%BE%BE%E6%B3%95%E5%88%99%E5%81%9A%E5%87%BA%E6%9D%A5%E7%BB%93%E6%9E%9C%E4%B8%8D%E4%B8%80%E6%A0%B7%3F1%E3%80%81%E7%AD%89%E4%BB%B7%E6%97%A0%E7%A9%B7%E5%B0%8F%E6%9B%BF%E6%8D%A2+%3Dlim+x%281-x%26%23178%3B%29+%2F+%E6%B4%BEx+%3Dlim%28x%E2%86%921%29+1-x%26%23178%3B+%2F+%E6%B4%BE%3D02%E3%80%81%E6%B4%9B%E5%BF%85%E8%BE%BE%E6%B3%95%E5%88%99+%3Dlim%28x%E2%86%921%29+1-3x%26%23178%3B+%2F+%E6%B4%BEcos)
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