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JEE Main & Advanced Mathematics Applications of Derivatives Question Bank Numerical Value Type Questions - Monotonicity

  • question_answer
    If \[f\left( x \right)={{x}^{3}}+4{{x}^{2}}+\lambda x+1\] is monotonically decreasing function of x in the largest possible interval \[\left( -2,-2/3 \right);\] then find \[\lambda \].

    Answer:

    4.00


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