(x³+1)(5x-2)/(x²+1)²的极限如何算
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1/(x+1)+1/(x²+1)=(x²+x+2)/(x²+1)(x+1)
(x²+5x+2)/(x+1)(x²+1)=1/(x+1)+1/(x²+1)+4x/(x³+x²+x+1)
仅供参考
咨询记录 · 回答于2022-03-28
(x³+1)(5x-2)/(x²+1)²的极限如何算
1/(x+1)+1/(x²+1)=(x²+x+2)/(x²+1)(x+1)(x²+5x+2)/(x+1)(x²+1)=1/(x+1)+1/(x²+1)+4x/(x³+x²+x+1)仅供参考
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