Q 2613067840.    

Assertion : `f(x) = | [x] x | ` in `x in [-1, 2]`, where `[*]` represents greatest integer function, is non differentiable at `x=2`

Reason : Discontinuous function is always non differentiable.

A Both A and R individually true and R is the correct explanation of A
B Both A and R are individually true but R is not the correct explanation of A
C A is true but R is false
D A is false but R is true

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