Question 982704: quantitative comparison
which is greater
col a: 4x^2 + 4y^2
col b: (2x + 2y)^2
please show how you get the answer...thanks Answer by Fombitz(32388) (Show Source):
You can put this solution on YOUR website! Expand column b.
where A is the value column A.
Which is greater depends on the value of x and y.
If , then they are equal.
If and , then
Similarly if and ,
And finally if and ,