JEE Advanced Model Paper 7 with solutions for online practice

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Question : 40 of 66
 
Marks: +1, -0
If f(x) = {
/1−4x2/0≤1<1
[x2−2x]1≤x<2
where [.] denotes the greatest integer function, then the numberof points at which f(x) is not differentiable is
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