1.

The angle between the straight lines \[x-y\sqrt{3}=5\] and \[\sqrt{3x}+y=7\]is                                          [MP PET 2003]

A. \[{{90}^{o}}\]
B. \[{{60}^{o}}\]
C. \[{{75}^{o}}\]
D. \[{{30}^{o}}\]
Answer» B. \[{{60}^{o}}\]


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