Question

sa se rezolve sistemul de ecuatii x la 3+y la a 3=1 si x+y=1

Answer 1

y=1-x
substituim in prima
x³+(1-x)³=1
x³+1-3x+3x²-x³=1
-3x+3x²=0|:3
x²-x=0
x(x-1)=0
x1=0.....y1=1
x2=1......y2=0
S={(0;1);(1;0)}