SY_Math-Science_007 (a*x^3+b*x^2+c*x+d=0) Express the solution where a=0. Show the conditions and the two solutions if the solution is only 2 different real solutions. Exprimer la solution lorsque a=0. Montrez également les condition.
Mathematics and Science by “ 『脱・下位層人間』＝『理数系人間』”