limit as x approaches infinity of 2x-2

解答

x \to \infty lim (2 x - 2)

\infty

求解步骤

x \to \infty lim (2 x - 2)

运用无穷大属性:

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

n is odd

a = 2, n = 1

= \infty

in v erse l a pl a ce \frac{1}{4 s + 1}

y^{^{'}} + 2 y = 6, y (0) = 0

s l o p e (2.5) (1.1)

\int \frac{( x ^{2} + x + 1 )}{( x ^{2} + 1 ) ^{2}} d x

\int_{a}^{x} \frac{1}{b - a} d x