2. Sample Papers
  3. JEE Main & Advanced

JEE Main & Advanced Sample Paper JEE Main - Mock Test - 26

  • question_answer
    Let \[f:R\to R\] satisfies the relation \[f(x)\,f(y)-f(xy)=x+y\forall x,\] \[y\in R\] and \[f(1)>0\]. Then number of roots of the equation \[f(x)=\cos x\] is ______.

    Answer:

    1


You need to login to perform this action.
You will be redirected in 3 sec spinner