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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 11: Lim 3n mủ 3 – n chia 1 – 5n mũ 3

Toán Lớp 11: Lim 3n mủ 3 – n chia 1 – 5n mũ 3

Comments ( 1 )

  1. Giải đáp:
    $-\dfrac{3}{5}.$
    Lời giải và giải thích chi tiết:
    $\displaystyle\lim \dfrac{3n^3-n}{1-5n^3}\\ =\displaystyle\lim \dfrac{3-\dfrac{1}{n^2}}{\dfrac{1}{n^3}-5}\\ =\dfrac{3}{-5}\\ =-\dfrac{3}{5}.$

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222-9+11+12:2*14+14 = ? ( )