question_answer

The value\[\sqrt{\mathbf{3}\sqrt{\mathbf{3}\sqrt{\mathbf{3}......}}}\mathbf{+log}\sqrt{\mathbf{7}\sqrt{\mathbf{7}\sqrt{\mathbf{7}......}}}\] is equal to _______

A) 0                                             

B) 1

C) 2                                                         

D) log 21

E) None of these