0 votes 0 votes saumya mishra asked Apr 30, 2018 saumya mishra 350 views answer comment Share Follow See all 3 Comments See all 3 3 Comments reply minal commented Apr 30, 2018 reply Follow Share whats the doubt? 0 votes 0 votes saumya mishra commented Apr 30, 2018 reply Follow Share I am not able to prove this can you please explain ? 0 votes 0 votes minal commented Apr 30, 2018 i edited by minal Apr 30, 2018 reply Follow Share we can say in this way 0 votes 0 votes Please log in or register to add a comment.