1.

The value of \(\left[ {\frac{{7\sqrt 2 - 4\sqrt 3 }}{{5\sqrt 2 - 4\sqrt 3 }}\; + \;\frac{{6\sqrt 2 - 3\sqrt 3 }}{{6\sqrt 2 - 5\sqrt 3 }}} \right]\; \times \;\frac{7}{{3\; + \;\sqrt 2 }},\) correct to two decimal places, is:

A. 3.12
B. 3.17
C. 3.23
D. 3.29
Answer» C. 3.23


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