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Beliebt Rechnen >

integral from 0 to 2 of sqrt(1+4x^2)

Lösung

\int_{0}^{2} 1 + 4 x^{2} d x

Lösung

17 + \frac{1}{4} ln (4 + 17)

+1

Dezimale

4.64678 \dots

Schritte zur Lösung

\int_{0}^{2} 1 + 4 x^{2} d x

Trigonometrische Substitution anwenden

= \int_{0}^{a r c t a n (4)} \frac{1}{2} sec^{3} (u) d u

Entferne die Konstante:

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

= \frac{1}{2} \cdot \int_{0}^{a r c t a n (4)} sec^{3} (u) d u

Wende integrale Reduktion an

= \frac{1}{2} ([\frac{sec ^{2} ( u ) sin ( u )}{2}]_{0}^{a r c t a n (4)} + \frac{1}{2} \cdot \int_{0}^{a r c t a n (4)} sec (u) d u)

\int_{0}^{a r c t a n (4)} sec (u) d u = ln (4 + 17)

= \frac{1}{2} ([\frac{sec ^{2} ( u ) sin ( u )}{2}]_{0}^{a r c t a n (4)} + \frac{1}{2} ln (4 + 17))

Vereinfache

\frac{1}{2} ([\frac{sec ^{2} ( u ) sin ( u )}{2}]_{0}^{a r c t a n (4)} + \frac{1}{2} ln (4 + 17)) : \frac{1}{2} ([\frac{1}{2} sec (u) tan (u)]_{0}^{a r c t a n (4)} + \frac{1}{2} ln (4 + 17))

= \frac{1}{2} ([\frac{1}{2} sec (u) tan (u)]_{0}^{a r c t a n (4)} + \frac{1}{2} ln (4 + 17))

Berechne die Grenzen:

217

= \frac{1}{2} (217 + \frac{1}{2} ln (4 + 17))

Vereinfache

= 17 + \frac{1}{4} ln (4 + 17)

Graph

Beliebte Beispiele

q^'+q/(20+t)=1,q(0)=5

q^{^{'}} + \frac{q}{20 + t} = 1, q (0) = 5

derivative x^8(x-3)^7

d er i v a t i v e x^{8} (x - 3)^{7}

sum from n=0 to infinity of 5/(4^{n+1)}

n = 0 \sum \infty \frac{5}{4 ^{n + 1}}

limit as x approaches o of (sin(4x))/x

x \to o lim (\frac{sin ( 4 x )}{x})

f^'(x)= 1/(sqrt(x))

f^{^{'}} (x) = \frac{1}{x}