integral of ln(4)

解答

\int ln (4)

2 ln (2) x + C

求解步骤

\int ln (4) d x

常数积分:

\int a d x = a x

= ln (4) x

化简

ln (4) : 2 ln (2)

= 2 ln (2) x

解答补常数

= 2 ln (2) x + C

y^{^{''}} - 6 y^{^{'}} + 9 y = 0, y (0) = 3, y^{^{'}} (0) = \frac{25}{3}

\frac{d}{d x} (\frac{x ^{4}}{4} ln (x) - \frac{x ^{4}}{16})

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

s l o p e in t erce pt (1.2) (4.4)

\int \frac{x ^{3}}{x ^{2} - 81} d x