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Vijay Singh chauhan Asked a Question
March 29, 2021 10:02 ampts 30 pts
please send a solution to the problem given in the attachment.
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  • Alka gupta
    see.....
    • cropped414741353995275453.jpg
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  • Deepak singh thankyou
    Refer attached.
    • cropped6691200073496394636.jpg
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    Deepak singh
    there is no fixed method to proove this kind of question , .Before letting f(x) , we have to think always either we are getting f'(x) as given in question or not .
  • Alka gupta thankyou
    according to your function f'(x) is not equal to sinx + cosx = e^(-x)
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  • Alka gupta
    simple take f(x) = e^x sinx -x as a function
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