Using partial fractions - why is it Ax+B/x^2 and not A/x + B/x^2?

  • #1
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Partial fractions of (-2x2+10x+8)/[x2(x+2)]

I initally thought that it was A/x + Bx+C/x2 + D/x+2 but you really just do Ax+B/x2 + C/x+2 ...can anyone explain why the "x2" isn't split?
 

Answers and Replies

  • #2
Dick
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A/x+(B+Cx)/x^2=A/x+B/x^2+C*x/x^2=A/x+C/x+B/x^2. Doesn't that make the C term sort of redundant?
 

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