Multiple Choice Questions on If cot zwnj and cot zwnj are the roots of the equation x2 bx c 0 with b ne 0 then the value of cot a........... for NDA Exam Preparation

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Multiple Choice Questions

If cot zwnj and cot zwnj are the roots of the equation x2 bx c 0 with b ne 0 then the value of cot a...........

Mathematics (NDA) Quadratic Equations
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    If cot‌?? and cot‌?? are the roots of the equation x2+bx+c=0 with b≠0,then the value of cot(α+β) is

    \frac{c-1}{b}

    Incorrect Answer

    \frac{1-c}{b}

    Correct Answer

    \frac{b}{c-1}

    Incorrect Answer

    \frac{b}{1-c}

    Incorrect Answer
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