Find the minimum value of A=x^2 + y^2 if x + y =10
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Find the minimum value of A=x^2 + y^2 if x + y =10
![Find the minimum value of A=x^2 + y^2 if x + y =10](/uploads/image/z/8471361-57-1.jpg?t=Find+the+minimum+value+of+A%3Dx%5E2+%2B+y%5E2+if+x+%2B+y+%3D10)
A=x^2 + y^2
= x^2+(10-x)^2
=2x^2-20x+100
when x=5 A is minimun,that is 50
= x^2+(10-x)^2
=2x^2-20x+100
when x=5 A is minimun,that is 50
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