What is the integral of t^3sqrt(t^4+5) ?

The integral of t^3sqrt(t^4+5) is 1/6 (t^4+5)^{3/2}+C

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integral of t^3sqrt(t^4+5)

\int t^{3} t^{4} + 5 d t

\frac{1}{6} (t^{4} + 5)^{\frac{3}{2}} + C

Solution steps

\int t^{3} t^{4} + 5 d t

Apply u-substitution

: \int \frac{u}{4} d u

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

Take the constant out:

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

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

Apply the Power Rule

: \frac{2}{3} u^{\frac{3}{2}}

= \frac{1}{4} \cdot \frac{2}{3} u^{\frac{3}{2}}

Substitute back

u = t^{4} + 5

= \frac{1}{4} \cdot \frac{2}{3} (t^{4} + 5)^{\frac{3}{2}}

Simplify

\frac{1}{4} \cdot \frac{2}{3} (t^{4} + 5)^{\frac{3}{2}} : \frac{1}{6} (t^{4} + 5)^{\frac{3}{2}}

= \frac{1}{6} (t^{4} + 5)^{\frac{3}{2}}

Add a constant to the solution

= \frac{1}{6} (t^{4} + 5)^{\frac{3}{2}} + C

x \to 0 lim (x^{2} + 3 x - 1)

\frac{d}{d x} (4 x^{2} - 5)

\frac{d ^{2}}{d x ^{2}} (3 x - \frac{7}{x})

\frac{d}{d x} (ln (\frac{3 x}{x + 2}))

What is the integral of t^3sqrt(t^4+5) ?
The integral of t^3sqrt(t^4+5) is 1/6 (t^4+5)^{3/2}+C