# Category:Primitive of Reciprocal of x squared plus a squared

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This category contains pages concerning **Primitive of Reciprocal of x squared plus a squared**:

### Arctangent Form

- $\ds \int \frac {\d x} {x^2 + a^2} = \frac 1 a \arctan \frac x a + C$

### Arccotangent Form

- $\ds \int \frac {\d x} {x^2 + a^2} = -\frac 1 a \arccot \frac x a + C$

## Subcategories

This category has only the following subcategory.

## Pages in category "Primitive of Reciprocal of x squared plus a squared"

The following 11 pages are in this category, out of 11 total.

### P

- Primitive of Reciprocal of 1 plus x squared/Arctangent Form
- Primitive of Reciprocal of 1 plus x squared/Arctangent Form/Proof 1
- Primitive of Reciprocal of 1 plus x squared/Arctangent Form/Proof 2
- Primitive of Reciprocal of x squared plus a squared
- Primitive of Reciprocal of x squared plus a squared/Arccotangent Form
- Primitive of Reciprocal of x squared plus a squared/Arctangent Form
- Primitive of Reciprocal of x squared plus a squared/Arctangent Form/Corollary 2
- Primitive of Reciprocal of x squared plus a squared/Arctangent Form/Proof 1
- Primitive of Reciprocal of x squared plus a squared/Arctangent Form/Proof 2
- Primitive of Reciprocal of x squared plus a squared/Arctangent Form/Proof 3
- Primitive of Reciprocal of x squared plus a squared/Arctangent Form/Proof 4