If a connected Graph (G) contains n vertices what would be the rank of its incidence matrix?(a) n-1(b) values greater than n are possible(c) values less than n-1 are possible(d) insufficient Information is givenMy question is taken from Incidence Matrix and Graph Structured Stack topic in section Graph of Data Structures & Algorithms IThis question was posed to me by my college professor while I was bunking the class.

If a connected Graph (G) contains n vertices what would be the rank of

1.	If a connected Graph (G) contains n vertices what would be the rank of its incidence matrix?(a) n-1(b) values greater than n are possible(c) values less than n-1 are possible(d) insufficient Information is givenMy question is taken from Incidence Matrix and Graph Structured Stack topic in section Graph of Data Structures & Algorithms IThis question was posed to me by my college professor while I was bunking the class.
Answer» The correct option is (a) n-1 The best I can explain: Every column of the incidence matrix may contain only +1 and -1 as NON zero ENTRIES RANK would be less than n.

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