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Beliebt Rechnen >

integral from-1 to 2 of 3x^2+4x

Lösung

\int_{- 1}^{2} 3 x^{2} + 4 x d x

Lösung

15

Schritte zur Lösung

\int_{- 1}^{2} 3 x^{2} + 4 x 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_{- 1}^{2} 3 x^{2} d x + \int_{- 1}^{2} 4 x d x

\int_{- 1}^{2} 3 x^{2} d x = 9

\int_{- 1}^{2} 4 x d x = 6

= 9 + 6

Vereinfache

= 15

Graph

Beliebte Beispiele

integral of-4x+12

\int - 4 x + 12 d x

y^{^{'}} = y^{2} x^{3}

fläche 3x^2+12,4x+4,[-3,3]

a re a 3 x^{2} + 12, 4 x + 4, [- 3, 3]

derivative 1/(1+x+x^2+x^3)

d er i v a t i v e \frac{1}{1 + x + x ^{2} + x ^{3}}

derivative of (18/((1+3x)^3))

\frac{d}{d x} (\frac{18}{( 1 + 3 x ) ^{3}})