12th Class Mathematics Applications of Derivatives

  • question_answer 71)
    At what in the interval [0, , does the function sin 2x attain its maximum value ?  

    Answer:

    Let f(x) = sin 2x on [0,             f?(x) = 0                               (Put n = 0, 1, 2 ?.)                               
    x 0
    f(x) 0 1 ?1 1 ?1 0
          Therefore f(x) attains its maximum value at  and .  


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