question_answer

Solve: \[\frac{7\sqrt{3}}{\sqrt{10}+\sqrt{3}}-\frac{2\sqrt{5}}{\sqrt{6}+\sqrt{5}}-\frac{3\sqrt{2}}{\sqrt{15}+3\sqrt{2}}\]

A)  0                                

B)  2

C)  \[-\,2\]                         

D)  \[-\,1\]

E)  None of these