Question
Question: \(\frac{\angle 10}{(\angle 10)^{\angle 9}}\) is a or an...
(∠10)∠9∠10 is a or an
A
Integer
B
Non Integral fraction
C
Irrational no.
D
Cannot be said
Answer
Integer
Explanation
Solution
No. of ways of dividing mn diff. thins among m persons equally = (∠n)m∠mn → this is an integer.
Substituting m = ∠n - 1, = (∠n)∠n−1∠n is an integer.