PROVE

[nycmathguy]

 

[MathLover1]

a(a+b)+b(b+1) >= -1/3

one possible solution is
a = 1/3, b = -2/3

(1/3)(1/3-2/3)-(2/3)(-2/3+1)>= -1/3 which is true

 

[nycmathguy]

a(a+b)+b(b+1) >= -1/3

one possible solution is
a = 1/3, b = -2/3

(1/3)(1/3-2/3)-(2/3)(-2/3+1)>= -1/3 which is true

I will skip this type of problem and just concentrate on precalculus as we travel through the textbook.