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Sladkaya [172]
3 years ago
7

How do we solve this?

Mathematics
2 answers:
Elan Coil [88]3 years ago
8 0

Answer:

= -   \frac{1}{36(6x + 1) ^{6} }  + c

<h3>I hope I helped you^_^</h3>

White raven [17]3 years ago
6 0

Answer:

-\frac{1}{36\left(6x+1\right)^6} +C

Step-by-step explanation:

we're going to us u substitution

\int (6x+1)^-7 dx

u=6x+1

\int\frac{1}{6u^7} du

take out the constant, \frac{1}{6}

\frac{1}{6} · \int u^-7du

next use the power rule, \int x^adx=\frac{x^{a+1}}{a+1},\:\quad \:a\ne -1

\frac{1}{6}\cdot \frac{u^{-7+1}}{-7+1}

simplify by substituting 6x+1 for u

\frac{1}{6}\cdot \frac{(6x+1)^{-7+1}}{-7+1} = -\frac{1}{36\left(6x+1\right)^6}

add a constant, C

-\frac{1}{36\left(6x+1\right)^6} +C

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