ques . . . .

Asked by  | 7th Sep, 2008, 09:20: PM

Expert Answer:

f(x,y)=x+ y,Reducing this to single variable function with the help of constrain4x4+9y4=64,

f(x)=x2 +(64/9 -4/9 x)1/4  . Now the function can be checked for maxima easily by using f'(x) = 0 and observing the value of function on and arount critical points.

Answered by  | 15th Dec, 2008, 02:45: AM

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