question_answer

Solve:\[\frac{\mathbf{1}}{\sqrt{\mathbf{x}}}\mathbf{+}\frac{\mathbf{3}}{\sqrt{\mathbf{y}}}\mathbf{=1}\]

\[\frac{\mathbf{3}}{\sqrt{\mathbf{x}}}\mathbf{+}\frac{\mathbf{15}}{\sqrt{\mathbf{y}}}\mathbf{=-1}\]

A) \[x=3,\text{ }y=12\]                                         

B)  \[x=4,\text{ }y=36\]

C) \[x=16,\text{ }y=25\]                                                   

D) \[x=9,\text{ }y=49\]

E) None of these