(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

[tex]\int \frac{1}{\sqrt{a^{2} + x^{2}}}[/tex]

2. Relevant equations

3. The attempt at a solution

I got:

[tex]\int \frac{1}{\sqrt{a^{2} + x^{2}}} = \sqrt{c} \ast \int \frac{1}{\sqrt{c \ast{x^{2}} + 1}} [/tex]

[tex] \frac{1}{a^{2}} = c [/tex]

NEVERMIND! I got it: I couldn't remember the integral of arcsin..

so it's

[tex] \frac{1}{a} = c [/tex]

[tex] c \ast \int \frac{1}{\sqrt{c \ast{x^{2}} + 1}}

= c \ast arcsin(cx) /c [/tex]

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: Integration help please [solved]

**Physics Forums | Science Articles, Homework Help, Discussion**