R Raj New member Joined Sep 28, 2007 Messages 2 Sep 28, 2007 #1 1. A number is 7 less than double a second number. The sum of the squares of these two numbers is a minimum. Determine the two numbers. Any help appreciated.
1. A number is 7 less than double a second number. The sum of the squares of these two numbers is a minimum. Determine the two numbers. Any help appreciated.
D Deleted member 4993 Guest Sep 28, 2007 #2 Show us your work/thoughts - so that we know where should we begin to help you.
R Raj New member Joined Sep 28, 2007 Messages 2 Sep 28, 2007 #3 Let x be one number Let 2x-7 be the other number. y = x^2+(2x-7)^2 after this i need help, assuming the above is correct
Let x be one number Let 2x-7 be the other number. y = x^2+(2x-7)^2 after this i need help, assuming the above is correct
stapel Super Moderator Staff member Joined Feb 4, 2004 Messages 16,550 Sep 28, 2007 #4 Raj said: after this i need help... Click to expand... Hint: Think about the vertex of a parabola. :wink: Eliz.
Raj said: after this i need help... Click to expand... Hint: Think about the vertex of a parabola. :wink: Eliz.
