1 votes 1 votes Graph Theory tancet + – Balaji Jegan asked Oct 23, 2018 Balaji Jegan 183 views answer comment Share Follow See 1 comment See all 1 1 comment reply Gyanu commented Jun 15, 2019 reply Follow Share option 1 should be the answer. 0 votes 0 votes Please log in or register to add a comment.