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Arun jangir Asked a Question
November 7, 2020 10:02 pmpts 30 pts
is t/2. Her The maximum value of f(x) ( is Ex. e (A) (B) e e (C) (D) e Ve then, Sol. (C) Let fx)= f'(x)=- (logx+1)=-x* (log x+1)= 0 f'x)-0-x "(logx + 1)=0 log x+1=0 logx=-1x=e Clearly, f'(x) <0 atx = e
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  • Sam Kumar
    Find ist derivative. Equate the equation with zero. You will get a value for 'x' . Then again find 2nd derivative of the function. Substitute the value of 'x' . if 2nd derivative i...
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    Arun jangir
    is that we have to find out two times derivative of x
  • Priyanshu kumar thankyou
    what's your doubt in this?
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    Arun jangir
    I can't understand this whole question