0 votes 0 votes Calculus calculus limits engineering-mathematics + – TheUnitedTrinity asked Mar 30, 2017 • retagged Mar 15, 2019 by Naveen Kumar 3 TheUnitedTrinity 422 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
0 votes 0 votes for F(x) to be differential denominator i.e x+|x| should not be equal to zero. that is only case when x>=0 means x+|x| will become 2x so x/2x=1/2 f'x=0 f'x will not be differentiable when x<0 bcz denominator bcm 0. so C is ans 2018 answered Mar 30, 2017 2018 comment Share Follow See all 0 reply Please log in or register to add a comment.