A) \[^{m-1}{{C}_{2}}.{}^{n-1}{{C}_{2}}\]
B) \[^{m}{{C}_{2}}.{}^{n}{{C}_{2}}\]
C) \[^{m-1}{{C}_{2}}.{}^{n}{{C}_{2}}\]
D) \[^{m}{{C}_{2}}.{}^{n-1}{{C}_{2}}\]
Correct Answer: B
You need to login to perform this action.
You will be redirected in
3 sec