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Apart
 Apart[expr] rewrites a rational expression as a sum of terms with minimal denominators.
Example: Apart[(x^2 + 1)/(x - 1)]   .
Apart gives the partial fraction decomposition of a rational expression.
Apart[expr, var] writes expr as a polynomial in var together with a sum of ratios of polynomials, where the degree in var of each numerator polynomial is less than that of the corresponding denominator polynomial.
Examples: Apart[(x + y)/(x - y), x]  .
Apart[(x + y)/(x - y), y]  .
See also: Together.
Examples
Using InstantCalculators
Here is the InstantCalculator for the Apart function. Enter the parameters for your calculation and click Calculate to see the result.
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Entering Commands Directly
You can paste a template for the command via the Text Input button on the Apart Function Controller.
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Here, neither x nor y are treated as constants.
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Here, y is treated as a constant.
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Here, x is treated as a constant.
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