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  3. JEE Main & Advanced

JEE Main & Advanced Sample Paper JEE Main - Mock Test - 26

  • question_answer
    In a triangle ABC, if sides a, b and c are roots of the equation \[{{x}^{3}}-11{{x}^{2}}+38x-40=0,\] then \[\frac{\cos A}{a}+\frac{\cos B}{b}+\frac{\cos C}{c}\]is equal to ____________.

    Answer:

    9/16


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