Primitive of Root of x squared minus a squared over x squared
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Theorem
Inverse Hyperbolic Cosine Form
- $\ds \int \frac {\sqrt {x^2 - a^2} } {x^2} \rd x = \arcosh \dfrac x a - \frac {\sqrt {x^2 - a^2} } x + C$
for $x^2 \ge a^2$.
Logarithm Form
- $\ds \int \frac {\sqrt {x^2 - a^2} } {x^2} \rd x = \frac {-\sqrt {x^2 - a^2} } x + \ln \size {x + \sqrt {x^2 - a^2} } + C$
for $x^2 \ge a^2$.