2 votes 2 votes How it solve this ? Calculus made-easy-test-series calculus limits engineering-mathematics + – Kalpataru Bose asked Dec 26, 2017 edited Mar 7, 2019 by Aditi Singh Kalpataru Bose 830 views answer comment Share Follow See 1 comment See all 1 1 comment reply Kalpataru Bose commented Dec 26, 2017 reply Follow Share Can you explain that a+b+1=0 part? If the 0 votes 0 votes Please log in or register to add a comment.
1 votes 1 votes CHECK ATTACHMENT HOW TO SOLVE THIS ANSWER (C) sumit goyal 1 answered Dec 26, 2017 sumit goyal 1 comment Share Follow See all 6 Comments See all 6 6 Comments reply Show 3 previous comments sumit goyal 1 commented Jan 13, 2018 reply Follow Share bhai solve karke pic daal aise kaise btau upload karo @Mk Utkarsh 0 votes 0 votes sumit goyal 1 commented Jan 13, 2018 reply Follow Share @Mk Utkarsh l hospital rule 0/0 pe lagta idhar to hai ni wo case you cannot apply 0 votes 0 votes Mk Utkarsh commented Jan 13, 2018 reply Follow Share acha ok :) 1 votes 1 votes Please log in or register to add a comment.
0 votes 0 votes Another approach for question (If you don't remember Cos expansion) Mayank Harbola answered Jan 9, 2020 Mayank Harbola comment Share Follow See all 0 reply Please log in or register to add a comment.