Talk:List of United States elementary school mathematics competitions
For positive numbers a,b,c such that a^2+b^2+c^2=9. Find the maximum value of :
P=2(a+b-c)+abc
Me_Algebra
For positive numbers a,b,c such that a^2+b^2+c^2=9. Find the maximum value of :
P=2(a+b-c)+abc