why should i write Cx+D ,why not only C?

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- April 9th 2010, 12:19 AMthe princeSimple question for integral

why should i write Cx+D ,why not only C? - April 9th 2010, 12:26 AMProve It
Because by creating partial fractions, you expect that the each numerator is of a smaller degree than the denominator.

If , a degree 2 polynomial is the denominator, you would expect that the numerator would be a polynomial of smaller degree.

The largest possible polynomial is therefore a linear function (degree 1).