integral from 1 to 2 of 12x^24^{x^3}

Lösung

\int_{1}^{2} 12 x^{2} 4^{x^{3}} d x

\frac{131064}{ln ( 2 )}

Dezimale

189085.38283 \dots

Schritte zur Lösung

\int_{1}^{2} 12 x^{2} \cdot 4^{x^{3}} d x

Entferne die Konstante:

\int a \cdot f (x) d x = a \cdot \int f (x) d x

= 12 \cdot \int_{1}^{2} x^{2} \cdot 4^{x^{3}} d x

Wende U-Substitution an

= 12 \cdot \int_{4}^{65536} \frac{u}{3 ln ( 2 ) \cdot 2 ^{\frac{l n ( u ) + l n ( 2 )}{l n ( 2 )}}} d u

Entferne die Konstante:

\int a \cdot f (x) d x = a \cdot \int f (x) d x

= 12 \cdot \frac{1}{3 ln ( 2 )} \cdot \int_{4}^{65536} \frac{u}{2 ^{\frac{l n ( u ) + l n ( 2 )}{l n ( 2 )}}} d u

Wende die partielle Integration an

= 12 \cdot \frac{1}{3 ln ( 2 )} [\frac{u ^{2}}{2 ^{\frac{l n ( 2 u ) + l n ( 2 )}{l n ( 2 )}}} - \int - \frac{1}{4} d u]_{4}^{65536}

\int - \frac{1}{4} d u = - \frac{1}{4} u

= 12 \cdot \frac{1}{3 ln ( 2 )} [\frac{u ^{2}}{2 ^{\frac{l n ( 2 u ) + l n ( 2 )}{l n ( 2 )}}} - (- \frac{1}{4} u)]_{4}^{65536}

Vereinfache

12 \cdot \frac{1}{3 ln ( 2 )} [\frac{u ^{2}}{2 ^{\frac{l n ( 2 u ) + l n ( 2 )}{l n ( 2 )}}} - (- \frac{1}{4} u)]_{4}^{65536} : \frac{4}{ln ( 2 )} [\frac{u ^{2}}{2 ^{\frac{l n ( 2 u ) + l n ( 2 )}{l n ( 2 )}}} + \frac{1}{4} u]_{4}^{65536}

= \frac{4}{ln ( 2 )} [\frac{u ^{2}}{2 ^{\frac{l n ( 2 u ) + l n ( 2 )}{l n ( 2 )}}} + \frac{1}{4} u]_{4}^{65536}

Berechne die Grenzen:

32766

= \frac{4}{ln ( 2 )} \cdot 32766

Vereinfache

= \frac{131064}{ln ( 2 )}

l a pl a ce t r an s f or m - 5 sin (2 t)

d er i v a t i v e e^{- x + 1} - e^{- x + 1} x

x \to 3 lim (\frac{1 - 2 x}{x - 3})

d er i v a t i v e f (x) = 2 x + 1

\frac{d y}{d x} - y = e^{3 x}