x,y belong to R,x2+y2+xy=1,then the minimum value of x3y+y3x+4 is?
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3 Answers
Hardik Sheth
·Feb 22 '13 at 0:27
is it 38/9??
Hardik Sheth oh..this is perhaps the maximum value...min value can neva b greater than 4.
Upvote·0· Reply ·Feb 22 '13 at 1:02