Question 1168729
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From  {{{sqrt(x)}}} + {{{sqrt(y)}}} = {{{sqrt(45)}}},  you have  (by squaring both sides)


      x     + y    + 2*{{{sqrt(xy)}}} = 45.

 

It has two solutions



    1)  x= 20,  y= 5


    2)  x= 5,   y= 20
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