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1. |
If \[\alpha ,\beta \] are the roots of the equation \[6{{x}^{2}}-5x+1=0\]. Then the value of \[{{\tan }^{-1}}\alpha +{{\tan }^{-1}}\beta \]is [MP PET 2004] |
A. | \[\pi /4\] |
B. | 1 |
C. | 0 |
D. | \[\pi /2\] |
Answer» B. 1 | |