1.

_$$\eqalign{ & {\text{If }}\sqrt 3 {\text{ = 1}}{\text{.7321, the value of}} \cr & \sqrt {192} - \frac{1}{2}\sqrt {48} - \sqrt {75} {\text{, correct to }} \cr & {\text{3 place of decimal , is = ?}} \cr} $$$?

A. 8.661
B. 4.331
C. 1.732
D. -1.732
Answer» D. -1.732


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