integral of 9x^2-4x+1

Lösung

\int 9 x^{2} - 4 x + 1 d x

3 x^{3} - 2 x^{2} + x + C

Schritte zur Lösung

\int 9 x^{2} - 4 x + 1 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 9 x^{2} d x - \int 4 x d x + \int 1 d x

\int 9 x^{2} d x = 3 x^{3}

\int 4 x d x = 2 x^{2}

\int 1 d x = x

= 3 x^{3} - 2 x^{2} + x

Füge eine Konstante zur Lösung hinzu

= 3 x^{3} - 2 x^{2} + x + C

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