Definition 10: If G(V,E) contains all edges of G that ioin two vertices in V then g is called the induced subgraph by v'cv and is denoted b G(V") go induced subgraph by ( v1v2 v4, v5 induced subgraph by IVi,V2, Va,v5❖ Definition 10: If G'(V',E') contains all edges of G that join two vertices in V' then G' is called the induced subgraph by V'V and is denoted by G(V'). ❖ induced subgraph by {v1 ,v2 ,v4 ,v5 }