Question 11: Find the correct statement among the statements A; B; C; D:

A is false, for example: \( \sqrt 2 + \left( { – \sqrt 2 } \right) = 0\)

B is wrong, for example: \( \sqrt 3. \left( { – \sqrt 3 } \right) =-3\)

D is false, for example: \( \frac{{\sqrt 7 }}{{\sqrt 7 }} = 1\)

Select (C).