Exercise algebra.manipulation.rational.simplify
Description
simplify a rational expression (with a variable in a divisor)
Firsts
Rule simplifyrationalexpression.enter Location [0,0] Term "Just (TCon arith1.divide [TCon arith1.minus [TCon arith1.minus [TCon arith1.power [TVar \"a\",TNum 2],TCon arith1.times [TNum 2,TVar \"a\"]],TNum 15],TCon arith1.minus [TCon arith1.minus [TCon arith1.power [TVar \"a\",TNum 2],TCon arith1.times [TNum 3,TVar \"a\"]],TNum 18]])" Focus "Just (TCon arith1.minus [TCon arith1.power [TVar \"a\",TNum 2],TCon arith1.times [TNum 2,TVar \"a\"]])" Environment