how can I say y=

0

how can I say y= |x| is differentiable or not , in the interval [-1,1]??

admin asked
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    Biswabhusan Jena (anonymous)

    PROGRAMMES ON INHERITANCE:

    question1

    Take a class ‘student’ having datamember name,rollno.then derive a class ‘exam’ having marks in 3 subjects.
    Then derive a class ‘result’ from ‘exam’and take a new class ‘sports’.sports class assigns a grade if a student has some sports activity
    .so the final result is a combination of subject marks and sports grade.define suitable conversion table(like sports grade ‘O’
    means +20,grade’A’means +10 etc)and display the the result of some student after necessary input.use suitable parametrized constructors.

    Biswabhusan Jena answered
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      Neelambar Chauhan (anonymous)

      not

      Neelambar Chauhan answered
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        Sudipta Halder (anonymous)

        it has a sharp corner at 0 like this ” / ” that’s why at that point you can’t find a tangent so it’s not differentiable at that point and so in the range [-1,1]

        Sudipta Halder answered
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          Ranjan Gupta (anonymous)

          it is diffrentiable..

          Ranjan Gupta answered
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            Ashok Kumar (anonymous)

            by looking at the graph of[x]u can say

            Ashok Kumar answered
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