Shwet Goyal posted an Question
December 04, 2021 • 18:56 pm 30 points
  • IIT JAM
  • Mathematics (MA)

The difference between the greatest and least values of the function f(x) = sin 2x - x on -t/2, nl2] is

The difference between the greatest and least values of the function f(x) = sin 2x - x on -T/2, nl2] is

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    Kanika goswami 1 best-answer

    check it.

    cropped7851044656180398899.jpg
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    Your f'(x) is wrong. It will be 2Cos2x-1=0. Please rewrite it.

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    oh sorry.... now you have an idea to solve it....

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    I have the idea before taking the doubt also, but why we look for at x=0, no value is coming when we do f'(x)=0

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    wait ....I try

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    check

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    now you are happy

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