Odpowiedzi

2009-11-10T11:48:48+01:00
F(x)=-x²-4x+1 dla x=3√2 - 2.

f(x)=-(3√2 - 2)²-4(3√2 - 2)+1
f(x)=-(18-12√2+4)-12√2+8+1
f(x)=-18+12√2-4-12√2+9
f(x)=-18-4+9=-13
f(x)=-13