MCQOPTIONS
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| 1. |
What is the acute angle between the pair of straight lines \(\sqrt 2 {\rm{x}} + \sqrt 3 {\rm{y}} = 1\) and \(\sqrt 3 {\rm{x}} + \sqrt 2 {\rm{y}} = 2?\) |
| A. | \({\tan ^{ - 1}}\left( {\frac{1}{{2\sqrt 6 }}} \right)\) |
| B. | \({\tan ^{ - 1}}\left( {\frac{1}{{\sqrt 2 }}} \right)\) |
| C. | tan-1 (3) |
| D. | \({\tan ^{ - 1}}\left( {\frac{1}{{\sqrt 3 }}} \right)\) |
| Answer» B. \({\tan ^{ - 1}}\left( {\frac{1}{{\sqrt 2 }}} \right)\) | |