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人気のある微分積分 >

limit as x approaches infinity of-2x^3

解

x \to \infty lim (- 2 x^{3})

解

- \infty

解答ステップ

x \to \infty lim (- 2 x^{3})

無限大の特性を適用する:

x \to \infty lim (a x^{n} + \dots + b x + c) = - \infty, a < 0,

n is odd

a = - 2, n = 3

= - \infty

グラフ

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