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Question Number 124314 by liberty last updated on 02/Dec/20

$$\{\begin{array}{l}x\sqrt{x}+y\sqrt{y}=19\\ x\sqrt{y}+y\sqrt{x}=15\end{array}.findx+y$$$$\{\begin{array}{l}x\sqrt{x}+y\sqrt{y}=133\\ y\sqrt{x}-x\sqrt{y}=30\end{array}.findx+y+xy$$$$\{\begin{array}{l}\sqrt{x}+y=53\\ x+\sqrt{y}=23\end{array}.findx+y$$

Commented by Dwaipayan Shikari last updated on 02/Dec/20

$$\sqrt{x}+y=53$$$$x+\sqrt{y}=23x=16,y=49\left(Byobservation\right)$$

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