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Let the cubic equation x^(3)-ax^(2)+bx-1=0 has only one real root alpha(a lt b) Statemennt -1 alpha lis between 0 and 1 because Statement 2: The value of 2cot^(-1)(coseca)-cot^(-1)(cosec a cos^(2)a)/(2) is pi if a lt 0 |
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Answer» `5/3` |
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