Question: simplify is not exact!

March 13 2014 hossayni 15
Maple 17
0

ali := (1/12)*(12*c[4]*ln(x+1)*x^4+48*c[4]*ln(x+1)*x^3+72*c[4]*ln(x+1)*x^2+48*c[4]*ln(x+1)*x+12*c[1]*x+30*c[2]*x^2+12*c[2]*x+36*c[3]*x^3+36*c[3]*x^2+12*c[3]*x+12*c[5]*x^5+48*c[5]*x^4+72*c[5]*x^3+48*c[5]*x^2+3*c[0]*x^4+12*c[0]*x^3+18*c[0]*x^2+12*c[0]*x+4*c[1]*x^4+16*c[1]*x^3+24*c[1]*x^2+6*c[2]*x^4+24*c[2]*x^3+12*c[3]*x^4+12*c[4]*ln(x+1)+12*c[5]*x)/(x+1)^4+.1

but simplify(ali-simplify(ali)) is not equal to 0!

 

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