3 votes 3 votes Calculus calculus point-of-inflexion + – vishal chugh asked Jan 18, 2018 vishal chugh 626 views answer comment Share Follow See all 2 Comments See all 2 2 Comments reply Ashwin Kulkarni commented Jan 18, 2018 reply Follow Share is it option A ? 0 votes 0 votes Akshay Koli 4 commented Jan 18, 2018 reply Follow Share i think it is option d because only x=1 is the point of inflection isn't it? 0 votes 0 votes Please log in or register to add a comment.
2 votes 2 votes A point x=a is called point of inflection if f ''(a)=0 and f '''(a) !=0 Here f ''(x) = 6x-6 and f '''(x) = 6 ,so x=1 is a point of inflection. So (d) is the right choice. Rajnish Kumar 1 answered Jan 18, 2018 edited Jan 28, 2018 by Rajnish Kumar 1 Rajnish Kumar 1 comment Share Follow See all 0 reply Please log in or register to add a comment.