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red

red(rat)
:: Reduced form of rat by canceling common divisors.
return
rational expression
rat
rational expression
[0] (x^3-1)/(x-1);
(x^3-1)/(x-1)
[1] red((x^3-1)/(x-1));
x^2+x+1
[2] red((x^3+y^3+z^3-3*x*y*z)/(x+y+z));
x^2+(-y-z)*x+y^2-z*y+z^2
[3] red((3*x*y)/(12*x^2+21*y^3*x));
(y)/(4*x+7*y^3)
[4] red((3/4*x^2+5/6*x)/(2*y*x+4/3*x));
(9/8*x+5/4)/(3*y+2)
References
section nm, dn, section gcd, gcdz, section ptozp.


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