question_answer

Find the value of \[\sqrt{\mathbf{12+2}\sqrt{\mathbf{6}}\mathbf{+2}\sqrt{\mathbf{21}}\mathbf{+2}\sqrt{\mathbf{14}}}\]

A)  \[\sqrt{2}+\sqrt{3}+\sqrt{5}\]   

B)       \[\sqrt{3}+\sqrt{2}+\sqrt{5}\]

C)  \[3+\sqrt{2}+\sqrt{1}\]                                    

D)  \[\sqrt{2}+\sqrt{3}+\sqrt{7}\]

E)  None of these