The function `f(x)=(x^2-1)|x^2-3x+2|+cos(|x|)` is not differentiable at (a)-1 (b)0 (c)1 (d)2

is The function f(x)=(x^(2)-1)|x^(2)-3x+2|+cos(|x|) is differentiable not differentiable at (a)-1(b)0 (c)1(d)2

Number of points where the function f(x)=(x^(2)-1)|x^(2)-x-2|+sin(|x|) is not differentiable,is: (A) 0 (B) 1 (C) 2 (D) 3

The values of a and b if the function f(x)={{:(x^(2)+3x+a",",xle1),(bx+2",",xgt1):} is differentiable at x =1, are :

The number of values of x in[0,2] at which f(x)=|x-(1)/(2)|+|x-1|+tan x is not differentiable at (A)0(B)1(C)3(D) none

Number of points where f(x)=x^(2)-|x^(2)-1|+2||x|-1|+2|x|-7 is non-differentiable is a.0 b.1 c.2 d.3

If the function f(x)={{:(,-x,x lt 1),(,a+cos^(-1)(x+b),1 le xle 2):} is differentiable at x=1, then (a)/(b) is equal to

differentiate (2)/(x+1)-(x^(2))/(3x-1)