Primitive of Root of x squared plus a squared over x squared
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Theorem
Logarithm Form
- $\ds \int \frac {\sqrt {x^2 + a^2} } {x^2} \rd x = \frac {-\sqrt {x^2 + a^2} } x + \map \ln {x + \sqrt {x^2 + a^2} } + C$
Inverse Hyperbolic Sine Form
- $\ds \int \frac {\sqrt {x^2 + a^2} } {x^2} \rd x = \arsinh \dfrac x a - \frac {\sqrt {x^2 + a^2} } x + C$