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JEE Main & Advanced Mathematics Applications of Derivatives Question Bank Mock Test - Application of Derivatives

  • question_answer
    The altitude of a cone is 20 cm and its semi-vertical angle is \[30{}^\circ \]if the semi-vertical angle is increasing at the rate of \[2{}^\circ \]per second, then the radius of the base is increasing at the rate (cm/sec) of _____.

    Answer:

    160/3


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