T twins12 New member Joined Feb 12, 2010 Messages 9 Mar 14, 2010 #1 The product of two numbers is 15. Express the sum of the squares of the two numbers as a function of a single variable . Answer_______________
The product of two numbers is 15. Express the sum of the squares of the two numbers as a function of a single variable . Answer_______________
J JuicyBurger Junior Member Joined Jan 26, 2010 Messages 96 Mar 15, 2010 #2 \(\displaystyle x*y = 15 \ and \ x^2 + y^2 = G\) Where G is just the sum of the squares, as shown. Now how can you rewrite X and plug it into the second equation to get only Ys?
\(\displaystyle x*y = 15 \ and \ x^2 + y^2 = G\) Where G is just the sum of the squares, as shown. Now how can you rewrite X and plug it into the second equation to get only Ys?