Report copyright - UNIVERSIDADE DA BEIRA INTERIOR DEPARTAMENTO DE …bento/Calc-I/2015-2016/Calc-I-2015-2016-fichas.pdf · 4; f) 1−x 2 − x−3 3 = 3−x 4; g) x2 −4=0; h) 3x2 −6x =0; i) x2 +6x+8=0;
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