integral of (x+2)/(x^2)

Lösung

\int \frac{x + 2}{x ^{2}} d x

ln ∣ x ∣ - \frac{2}{x} + C

Schritte zur Lösung

\int \frac{x + 2}{x ^{2}} d x

Multipliziere aus

\frac{x + 2}{x ^{2}} : \frac{1}{x} + \frac{2}{x ^{2}}

= \int \frac{1}{x} + \frac{2}{x ^{2}} d x

Wende die Summenregel an:

\int f (x) \pm g (x) d x = \int f (x) d x \pm \int g (x) d x

= \int \frac{1}{x} d x + \int \frac{2}{x ^{2}} d x

\int \frac{1}{x} d x = ln ∣ x ∣

\int \frac{2}{x ^{2}} d x = - \frac{2}{x}

= ln ∣ x ∣ - \frac{2}{x}

Füge eine Konstante zur Lösung hinzu

= ln ∣ x ∣ - \frac{2}{x} + C

a re a 2^{x}, - 4, 4

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

\frac{d}{d x} (\frac{ln ( x )}{sin ( x )})

\int \frac{1}{( 2 - 3 x )} d x

\int \frac{7}{x ^{2}} d x