Question

7. The number of elements in the mn matrix is
(a) mn (b) m  n
(c) 2m (d) 2 m
8. If A is an m p matrix and B is a pm matrix
then order of AB is
(a) m  p (b) mm
(c) p p (d) none
9. The degree of the vertex is one the its is known as
–––––––––––– vertex
(a) pendent (b) isolated
(c) loop (d) none
10. A cycle-free graph is known as ––––––––––––
(a) connected(b) circuit
(c) path (d) tree

Answer 1

Answer:

10)b)circuit

Step-by-step explanation: