2. Sample Papers
  3. JEE Main & Advanced

JEE Main & Advanced Sample Paper JEE Main Sample Paper-25

  • question_answer
    If function \[f(x)=\sin x-bx+c\]is always increasing for R, then

    A)  \[b\le 1\]                                  

    B)  \[b\le 0\]

    C)  \[b\le -1\]                                 

    D)  \[b\ge 0\]

    Correct Answer: C

    Solution :

    \[f'(x)=\cos x-b\ge 0\,\forall \,x\in R\] \[\therefore \,\,b\le -1\]


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