helpless06
Nov 12, 2007, 10:39 AM
FInd the maximum and minimum value of the expression:
(y^2)/121 + (w^2)/81
if x, y, z, satisfy the following system:
x^2 + y^2 - 8x + 6y - 96 = 0
z^2 + w^2 + 10z - 4w - 52 = 0
xw + yz - 2x - 4w + 5y + 3z - 76 > 0
(y^2)/121 + (w^2)/81
if x, y, z, satisfy the following system:
x^2 + y^2 - 8x + 6y - 96 = 0
z^2 + w^2 + 10z - 4w - 52 = 0
xw + yz - 2x - 4w + 5y + 3z - 76 > 0