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Question: take out common factor

Question: take out common factor

briceM 45
March 04 2017
1

Hi, I´m try take out common factor with "collect"

collect(-(1/4)*G*r^2/eta-(1/4)*G*(ri^2-ro^2)*ln(r)/(eta*(ln(ri)-ln(ro)))-(1/4)*G*(ln(ri)*ro^2-ri^2*ln(ro))/(eta*(ln(ri)-ln(ro))), -(1/4)*G/eta)

  But this does not work well.

Regards.

 
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