Partial Fractions
Name:
Anonymous
2008-09-30 20:39
Express in partial fractions:
(x^2+x-1)/(x^2+x-2)
[Hint: identify multiples of the denominator in the numerator and subtracting these from the fraction]
Name:
4tran
2008-09-30 20:48
\frac{x^2+x-1 -1 +1}{x^2+x-2}
\frac{x^2+x-2 +1}{x^2+x-2}
1 + \frac{1}{(x+2)(x-1)}
1 + \frac{\frac{1}{3}}{x-1} - \frac{\frac{1}{3}}{x+2}
Name:
4tran
2008-09-30 20:50
crap, fail @ linebreak
Let's try that again
\frac{x^2+x-1 -1 +1}{x^2+x-2} \\
\frac{x^2+x-2 +1}{x^2+x-2} \\
1 + \frac{1}{(x+2)(x-1)} \\
1 + \frac{\frac{1}{3}}{x-1} - \frac{\frac{1}{3}}{x+2} \\
Name:
Anonymous
2008-09-30 20:57
que?
Name:
4tran
2008-09-30 20:57
1 more try b4 I give up
\frac{x^2+x-1 -1 +1}{x^2+x-2}
\frac{x^2+x-2 +1}{x^2+x-2}
1 + \frac{1}{(x+2)(x-1)}
1 + \frac{\frac{1}{3}}{x-1} - \frac{\frac{1}{3}}{x+2}
Name:
Anonymous
2008-09-30 21:10
thank you, much apreciated.
Name:
Anonymous
2008-10-01 19:53
What's a partial fraction?
Name:
4tran
2008-10-01 20:20